An astounding collection of medical specimens, including bits of President Lincoln.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

Former host to the World Elephant Polo Championships.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

A former major munitions plant that has been converted into a sprawling art space.

This legendary city has been a tourist attraction for centuries.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

100 year tradition of fist fights, marked by marble footsteps.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The Pope’s secret escape route.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

A Buddhist theme park brings you a Buddhist version of Hell.

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

Outsider art meets paleontology at this roadside reptile repository.

Oldest synagogue in the United States.

Unicorns, elephants, and bears, oh my!

Sniff the Titan Arum's rotting flesh.

The ancient latrines of the Greeks, in all their public glory.

The hallucinogenic center of the ancient world.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."