This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Macabre astrological automaton clock dating to the late 1400s.

One of the oldest living oak trees in the Southeast.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A peculiar samurai statue overlooks the center of Brno.

Europe's second largest ossuary wasn't discovered until 2001.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A cheeky architectural easter egg.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An extravagant western hotel where every floor is the "ground floor."

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.