The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

These rock drawings in the Côa Valley also create an ancient optical illusion.

This impressive rupestrian engraving dates back to the Upper Palaeolithic period.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One of the largest Roman settlements in Portugal.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

The wooden house where the jazz great learned to play the piano.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

America's oldest archaeological site or a muddled case of wishful thinking.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

One man’s hobby is another man’s world of metal wonders.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.