The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

Where America's first doomsday cult awaited the end of the world.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

Tubing through a cave lit with glowworms is a magical underground experience.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

A surreal museum of extraordinary industrial objects.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.