This professional clown's home is an outsider art wonderland.

A unique zoological park home to over 30 species of wild cats, both big and small.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

A former factory serves as a shrine to the industry that sustained Santorini for decades.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

This famous archeological mystery may be an ancient example of movable type.

This small window display is dedicated to the noble carrot.

This abandoned Greek island was the last active leper colony in Europe.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A mysterious spirit totem at the edge of Navajo lands.

The eroded core of an ancient volcano is now accessible by a short hike.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A massive mausoleum towers over the gravestones in a 19th-century Italian "model village."

An unsettling painting of three faceless sisters that is surrounded by history and legend.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A sweet museum focused on beets.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.