A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

This elaborate towering structure was once famed for its revolutionary height.

The abandoned coal loading dock is a canvas for unsanctioned art.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

World's first "penitentiary," meant to be humane, drove men insane.

The oldest bookstore in Iceland.

A popular Icelandic children's story comes to life inside this cave.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This museum has a most unusual location: inside a giant, three-headed elephant.