Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

Feed it cash, get your very own gold bar.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

Packed to the ceiling with antique taxidermy and hunting arms.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

The world's largest model of our planetary system.

The largest and most famous wax anatomical collection anywhere in the world.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This South Carolina water tower is an icon of the city of Walterboro, but it also once served as the county jail.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This beautiful, historic church looks like something out of a simpler past.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Tour the sci-fi-esque reality of governmental disease management.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

This forgotten graveyard in rural New York State once served a pioneering hospital.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

The rust covering this old mine's abandoned buildings matches the red pigment it once produced.

Supposedly this Ethiopian chapel holds the Ark of the Covenant, guarded by virgins who cannot leave the building.

If they push on just the right spot, even the weakest person can move this titanic boulder.

Wax models of disease and deformity are on display at this German medical museum.

Like something out of a bad acid trip, this Ukraine hallway has been covered in hallucinatory phantasmagoria.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.