The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A small but charming botanical garden that contains many exotic plant species.

Elaborate tile work in this railway station tells the story of Portugal.

Within the Dadès Gorge, amazing vistas and towering cliff faces can be seen at each new curve and bend in the road.

The world's largest concentrated solar power plant.

God's Saharan sandbox of wrath.

One of the most spectacular canyons in the world.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

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

This vast masterpiece of Moroccan architecture spreads across 20 acres.

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

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

Vast stretch of tide-pools with a unique Moroccan charm.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

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

A spectacular cave and a beguiling lake.