Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

These strikingly barren, rolling red hills were caused by bad farming practices.

Hauntingly beautiful totem poles left by the Haida.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

This abandoned beacon is moving closer and closer to the sea.

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

The gutted remains of this Estonian mansion are a monument to a tragic love.

The largest catacomb system in the world.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

This natural wonder is disappearing at an alarming rate.

Historic site where Native American hunters once trapped and killed buffalo.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

Native Americans built this circle of stones, which was used to predict astronomical events.