Festival of Perpetual Life and Rebirth.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The rubbery beast is sculpted from recycled materials.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

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

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

God's Saharan sandbox of wrath.

Crumbling necropolis set high above Fez.

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

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

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

The other side is actually green.

One of the most spectacular canyons in the world.

This mountain sunrise is one of the most breathtaking views in Thailand, yet well off the tourist trail.

Buddhist university that allows English-language speakers the opportunity to study with monks in Thailand.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

Acres of salt crystal pyramids dry in the sun along Thailand's "salt road."

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

A white Buddhist temple with a golden restroom.