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

Cliffside houses provide a spectacular view from their perch above the valley.

An ancient Egyptian temple in the middle of Madrid, Spain.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

These azure waters were thought to lead to the Mayan Underworld.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Where cemeteries are carved into the side of cliffs and infants are buried in the hollows of trees.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A desert that evokes the surreal.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

This ancient theater was once the home of fierce gladiatorial battles.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

Former hunting lodge of a duke who was an avid collector of impressionist works.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.