A fortified city, home to a remaining population of five families

A castle built by an eccentric medieval enthusiast in suburban Ohio.

An office built to look like a giant basket.

Northern Ireland's Brobdingnagian stepping stones.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

A cargo of beautiful music.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The most confusing clock in New York.

Furniture tries to escape an abandoned building in San Francisco.

A curious friendship between two inanimate ladies.

Macabre astrological automaton clock dating to the late 1400s.

A marvel of Byzantine engineering under the streets of Istanbul.

A wall of chewing gum moonlights as collective art.

Elevated freight railway turned wildly successful urban park.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A terrific purveyor of natural history objects and curios.

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