21 Underground Houses Defying Gravity and Common Sense

Last updated on October 8, 2025

Check out our eco-friendly underground house designs. These are some serious hobbit-inspired vibes and they have a purpose.

Have you ever wondered why moles and hobbits get all the good real estate deals? If you’re like me—grappling with an irrational fear of windows or a love for seriously earthy vibes—you might just find underground houses fascinating.

Before you imagine a life devoid of sunlight, think cozy spaces, energy efficiency, and a perfect excuse if you forget to mow the lawn. Who knew living like a land-dwelling goblin could offer such perks?

An Earthy Retreat with a Modern Twist

Underground house with a grassy roof and arched design — More like this: Modern Houses Suburban Houses

Behold the underground house that popped out of a fairy tale with a sleek twist! The grassy roof rolls over it like a luxurious toupee, providing insulation and blending it into its lush surroundings.

Below, wide glass windows invite sunlight inside, while a snazzy archway facade whispers promises of architectural wizardry within. It’s where Hobbit meets high-tech, and let’s be honest, you’d expect Gandalf to visit any moment!

A Cozy Burrow Amidst the Pines

Modern underground home with grassy roof and solar panels — More like this: Cabins Modern Houses Mountain Houses Forest Houses

Nestled snugly into a lush hillside, this underground house sports a roof that’s more lawn than shingles. Nature lovers, rejoice!

Solar panels sunbathe on the roof, generating power while blending seamlessly into the landscape. The stone and glass facade wittily combines rustic charm with sleek lines, leading to an entrance that whispers “come hide away.” The winding stone path adds just a touch of whimsy, as if inviting woodland creatures to drop by for tea.

Innovative Hobbit Haven

Eco-friendly underground house with stairs and greenery — More like this: Modern Houses Green Houses

This sleek underground house sports a grass-covered roof, blending effortlessly with the surrounding meadow. A lone tree stands proudly atop, like a guardian keeping watch.

The sleek exterior boasts modern vibes, while the lush greenery suggests a masterful mix of man and nature. Stairs on either side beckon, daring you to walk the line between earth and architecture.

Buried Bliss: A Subterranean Surprise

Charming underground house with stone facade and green roof — More like this: Cottages Traditional Houses Gardens

Nestled into a grassy hill, this charming dwelling boasts a perfectly arched entrance surrounded by lush flora. Stone benches sit invitingly by the quaint wooden door, perfect for those unexpected guests from Middle-earth.

If you’ve ever dreamed of living under a rock—but in style—this house is your ticket! The stone pathway leading up to the entrance is as whimsical as the idea, making you feel like a character in a fairy tale.

Nature’s Secret Lair: Where Grass Meets Glass

Sleek underground house with a green roof amidst trees — More like this: Forest Houses Modern Houses Dream Homes

This delightful subterranean abode nestles snugly into a lush hillside, as though Mother Nature herself stitched its grassy rooftop. The modern facade features a chic mix of glass and stone, looking quite dapper in its earthy suit.

Large windows let in light, while a leafy carpet rolls out to greet visitors. It’s a house that says, “I’m not hiding; I’m just very, very cozy.”

Whimsical Wilderness Dwelling

Wooden entrance of an underground house with a lush green roof — More like this: Modern Houses Mountain Houses Forest Houses

Tucked playfully within the embrace of a grassy hillside, this whimsical house boasts a wooden façade framed by angular concrete. The roof is a living carpet of greenery, blending seamlessly with the surrounding landscape.

A simple stone path leads you to the warm wooden doorway, as if inviting forest creatures and wayward adventurers for a cozy cup of tea. With its subtle magic and intriguing charm, this house is a delightful hideaway nestled in nature’s embrace.

Living Below: The Grass-tastic Getaway

Earth-sheltered home with grassy roof and modern facade — More like this: Modern Houses Mountain Houses

This delightful subterranean abode is a hidden gem, literally! Nestled seamlessly into the hillside, it boasts a lush, grassy roof that blends into the landscape like a chameleon on vacation.

The stone facade and sleek glass entrance might just whisper, “Come on in, the earth is fine.” With its squared windows and pristine path, this architectural marvel looks ready to host anything from lively nature parties to quiet underground retreats.

A Hilltop Hideaway: Nature’s Nook

Underground house with round windows and grass-covered roof in a scenic landscape — More like this: Mountain Houses Modern Houses

Nestled snugly in the hillside, this underground house seems like it’s giving Mother Earth a bear hug. Its curved stone exterior blends harmoniously with the landscape, while round windows resemble the eyes of a cheeky mountain peeking out to enjoy the sun.

The structure’s grassy rooftop is like a lush, living toupee, beautifully camouflaged into the surrounding terrain. A chic patio area, with stylish seating and a cozy fire pit, invites you to toast marshmallows under the stars or gossip with squirrels by day.

Green Clovers and Cozy Quarters

Unique underground house with a grassy roof — More like this: Modern Houses Traditional Houses

Imagine a home shaped like a clover, blending right into the earth with a roof of grass that’s more lawn than lawn chair.

The house is nestled within, with inviting wooden walls and quirky steps leading into its cozy core. It’s a perfect mix of hidden and homely, making even gophers a tad jealous of this underground escape.

A Grassy Wonderland: Where Walls Disappear

Earth-sheltered home with lush grass roof and modern entrance — More like this: Modern Houses Traditional Houses

The underground house blends snugly into a lush, grassy hill, with its roof stealing the show as a natural extension of the landscape. Large wooden-framed windows and a central door invite both a bounty of sunlight and curious glances, while quaint potted plants stand guard like tiny, chlorophyll-filled bouncers.

The semicircular facade makes it look like a cozy, modern hobbit hangout—just pack your pipe and get ready for adventure. This enchanting dwelling seemingly melts into the earth, making it the ultimate hideaway for introverts and garden gnomes alike.

Turf-Top Tranquility: The Undercover Abode

Grass-roofed house nestled in a forest — More like this: Cabins Cottages Modern Houses Forest Houses Gardens

This whimsical dwelling is a green thumb’s dream with its lush grass roof blending seamlessly into the landscape. A wide, arched wooden front door offers a warm welcome, while expansive glass windows serve up forest views better than any movie.

Planters filled with colorful blooms frame the entrance, inviting birds, bees, and the occasional elf. It’s a hobbit’s paradise minus the second breakfast.

Grass-Topped Seaside Sanctuary

A-frame house with grass roof by the sea — More like this: Beach Houses Modern Houses Dream Homes

This whimsical A-frame delight, snuggled into the earth, boasts a grass-topped roof that could double as a hobbit’s road to adventure. The expansive windows in the front invite both light and bewildered birds, opening up panoramic ocean views that seem to stretch into infinity.

Grass and Groove: The Buried Bungalow

underground house — More like this: Modern Houses Gardens

Behold a whimsical labyrinth of nature-immersed rooms! This house flaunts a green roof that’s more lush lawn than living space, while enticingly clean wooden panels are sprinkled around a sunlit courtyard.

Enter the cozy corner, where plants meet pathways, defying gravity with their top-notch flair. It’s the headquarters of all things chill and chlorophyll!

Grassy Eyeball Escape: The Ocular Oasis

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More like this: Modern Houses Dream Homes

Nestled in a blanket of lush green, the house peeks curiously out with its giant circular windows—think cyclops on vacation. The grass roof seamlessly rolls over the structure, merging with the surrounding landscape like nature’s own cozy duvet.

Playful design meets practical genius: it’s an hideaway worthy of a storybook. This delightful domicile grins at the world through its quirky windows, proving even underground living can be delightfully eye-opening.

Embracing Earth: The Step-Down Sanctuary

Modern underground house with a grassy roof and open courtyard — More like this: Modern Houses Dream Homes

This architectural marvel is a geometric playground! Featuring crisp white walls and lush green roofs, the underground house wows with sunken courtyards and spacious wooden patios.

Connected by sleek stairs and expansive glass doors, it offers an airy yet snug retreat enveloped by nature’s embrace.

The Curvaceous Cavern: Nature’s Unseen Cozy

Entrance to an underground home with a tree and grassy roof — More like this: Forest Houses Modern Houses

Behold the ultra-modern hideaway, where smooth curves and a grassy rooftop meet! The arched entrance seems to whisper secrets of the woodland, blending seamlessly with the landscape.

With a solitary tree standing guard, this architectural masterpiece hides beneath a lush hill, like nature wearing its Sunday best. Who knew stepping into the earth could look this chic and futuristic?

Subterranean Serenity by the Poolside

Underground house with a lush green roof by a pool — More like this: Modern Houses Traditional Houses

Nestled under a luxurious, rolling carpet of grass, this quirky abode invites you to go incognito in style. Enter through a perfectly round doorway that whispers tales of hidden adventures and cozy comforts. Smooth curves and an earthy facade make it look like nature’s best-kept secret.

Outside, a smooth pool mirrors the sky, while an adorable water feature babbles secrets to the surrounding shrubbery. It’s a whimsical blend of tranquility and magic, making you wonder if hobbits aren’t secretly perfect architects.

Moonlit Grotto: The Twilight Tuckaway

A modern underground house with a garden and pool at dusk — More like this: Modern Houses Dream Homes Villas

This underground abode is a marvel of modern design nestled seamlessly into its grassy surroundings. With large glass windows framed by stone walls, it offers a cozy view of the starry night. The house wraps around a courtyard adorned with a charming round patio and twinkling garden lights, leading to a serpentine stone path.

By the poolside, reflections dance, creating an enchanting night scene that might just make you want to dive into a life of subterranean luxury. Who knew living under a hill could be so hip?

Home Sweet Hole: The Buried Paradise

Underground house with sleek, modern design in a desert landscape — More like this: Modern Houses Mountain Houses Dream Homes

This underground house nestles snugly into a desert landscape, boasting modern architecture with clean lines and a minimalistic feel. The flat roof cleverly blends with the surrounding earth, making it look like nature’s own little cubbyhole, but far more stylish.

The glass facade at the front of the house opens up to give views that could make even the cactus next door envious. Who knew living underground could be this chic?

Curvy Grass Cove: A Leafy Retreat

Underground house with a grass-covered roof in a forest setting — More like this: Forest Houses Modern Houses

Nestled in a lush green forest, this underground house showcases a brilliant blend of architecture and nature. A sweeping curve of windows frames the façade, inviting the outside in with a flourish. The roof sports a verdant grassy top, as if the hill just grew a house and decided not to tell anyone.

Who knew a lawn could double as a roof? This whimsical dwelling is both eco-friendly and visually striking, offering a uniquely immersive living experience.

Green Haven: The Turf-Topped Retreat

Entrance of an underground home with a grassy roof and stone path — More like this: Modern Houses Dream Homes Gardens

Nestled snugly beneath a rolling blanket of green, this underground house sports a wild haircut made entirely of grass. Its modern façade, sleek and understated, peeks out like a mischievous grin, inviting you to waltz down a stone path right into nature’s embrace.

The earthy abode’s glass entrance promises a seamless blend of indoor comfort and outdoor splendor, proving that even homes can have green thumbs—or rather, roofs—these days.

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