Though it’s certainly not typical, a subterranean home can be an interesting, comfortable, and otherworldly environment—after all, rabbits, badgers, and even foxes do it. Indeed, there’s something about these hidden habitats that evokes a sense of snugness, safety, and warmth, so it’s no surprise that humans are finding ways to live beneath ground. Here are 13 homes immersed in the earth that will fire the imaginations of all aspiring subterrestrials.

A Home That Tunnels Through the Swiss Alps

A Concrete Box Buried Beneath a Korean Forest

Underground Meditation Space on Jeju Island

Tiny Dutch Military Bunker Vacation Home

Y-Shaped, Earth-Covered Villa on a Hill in Greece

Underground Vacation Rental in Catalonia

A House in Poland With a Carved-Out Basement

Fantasy Home Wedged Into the Edge of a Cliff

A Wine Cave Embedded Into a Rocky Texas Hillside

A London Home With a Copper Funnel Roof

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A Hideaway Fit for a Hobbit

A Japanese Home With a Sunken Interior

A Pair Of Partially Underground Tiny Homes