Built with patience and imagination this underground home becomes a masterpiece of natural luxury a handmade sanctuary where every detail shines with beauty calm and harmony.

90% of the property — called "Dragon's Knoll" — is built into the Blue Ridge Mountains in Asheville, North Carolina. Their company, Treehouses of Serenity, features several unique Airbnb properties.

A seemingly modest abode in Las Vegas is concealing an astonishing underground world. Sin City's famous "Underground House" sits 26 feet below ground and is an eye-popping luxury bunker complete with ...

This three-bedroom, two-bathroom has a fireplace, a primary suite occupying the entire second floor and an outbuilding with ...

PROS Set in downtown Bridgewater, this 1900 Colonial with hardwood floors was thoroughly renovated in 2016. Enter by way of the farmer’s porch. French doors at right open to a living room with wood ...