This simple stone monument honors a 19th-century tragedy.

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

There is a small island in the Gulf of Nicoya where the only human inhabitants are dead.

This Costa Rican chapel is the most metal church in the world, literally.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

A secret climbing tree hides along the side of a Costa Rican road.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

Disused penal colony features prisoner artwork, some sketched in human blood.

This Costa Rican topiary park is a surreal garden of unearthly delights.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Sloth rehabilitation center in the jungle of Costa Rica.

One man's unrequited love stands in a glass box forever.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

A Mormon place of exile in Missouri.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

An adorably sweet display of sculpted Precious Moments figurines.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A piece of John the Baptist in the American heartland.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.