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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This historical Netherlands fortress still bears the marks of its single siege.

Incredible labyrinth of man made caves.

A bike traffic circle showcasing the works of local graffiti artists.

A UFO-shaped event building originally intended to be a science museum showcasing the future.

Reminiscent of a termite mound, this imposing structure is likely an ancient funerary monument.

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

Ancient catacombs form the foundation for this Rococo orgy of a church.

The history of knife-making in this French city is explored through this museum.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The busy transport hub is home to the tallest airport slide in the world.

An eerie collection of the surviving structures from a past celebration of the future.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

A 19th-century architectural masterpiece with ties to Gustave Eiffel.

Covering 13 acres and hosting 3,000 shops, this is one of Africa's biggest urban markets.

A sign marks where the two bodies of water meet.

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

This fortified sand barrier dividing a contested territory is the longest minefield in the world.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.