7 Underground Wonders of The World

Pembrokeshire, Wales

Pembrokeshire is home to a family with a house straight out of The Hobbit. The home, built with the, is dug into the hillside for low-visual impact and shelter from the elements. This amazing architectural wonder is created virtually completely from the natural materials found around the residence. The walls are made out of stone and mud and water enters the house by gravity from a nearby spring. Non-natural materials, such as windows and plumbing, were recovered from trash.