Catacombs turned marketplace.

Once a 19th-century refuge for immigrants, this pub has hosted performances by Amy Winehouse and the Arctic Monkeys.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

An eerie natural formation that looks right back at you.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

Meet 'Big Josh,' the 20-foot-tall muffler man.

This giant spider sculpture made from the iconic car is one giant visual pun.

An ancient mineral hot spring sits at the middle of this combination cultural center and spa.

Its collection includes a broad array of social, geographic, graphic design, and political history.

Chicago’s last original drive-in restaurant is a family-run hot dog joint that started in 1948.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Designed to commemorate the king's coronation.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

A hugely vast Irish landscape of barren rock that stretches for miles.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The modern birthplace of Irish freedom.

The oldest public library in Ireland.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.