One of the most accessible undersea plane wrecks in the world.

This church was transported brick by brick from the ruins of a 16th-century city into Panama City's current historic district.

Marvel of green building techniques that sings with the wind.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

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

Traditional 11th-century outdoor tannery.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

Mosaics, storks, and brothels—this ancient city has it all.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Founded as a refugee camp, now a popular tourist spot.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Morocco's Argania trees are infested with nut-hungry goats.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

The only road through the heart of Glacier National Park.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Historic funicular railway, believed to be the shortest railroad in the world.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

Its floors are marked by colorful cues depicting Michigan's native fauna.

An ever-evolving wall of graffiti art off East Liberty Street.

The city is full of whimsical portals to another world.