Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

A charming beach town in Turkey captures all the colors of the rainbow.

This historic square in Nepal is home to temples dating back to the third century.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

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

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

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

Cavemen, elephants, and eagles greet passengers driving through the town's main intersection.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

A tall karst islet popularized by 007.

Come for the springs; stay for the mud bath.

The metal leaves on this tree are engraved with the names of Holocaust victims.

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.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Five miles of underground river link lake to ocean.

Bohol's mysterious brown hills.

A restaurant and observation deck built in a unique broadcasting antenna.