This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

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

One of the greatest maze designer’s greatest mazes.

This mosque was based on Sub-Saharan Islamic architecture and created for the Senegalese Tirailleurs.

Buddha and Jesus tower over this French mountainside headquarters of the Aumism religious cult.

This enormous censer uses a pulley system installed over 400 years ago.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

This influential Renaissance-era library was once the haunt of kings and monks.

See replicas of Europe's most famous cave paintings and even some of the animals that feature in the art.

An abandoned socialist utopia built in the late 19th century.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

Hundreds of caves once used to store grains and animal feed.

The streets of a sleepy Spanish town proudly exhibit some of the world's finest graffiti.

An out-of-place grove of sequoias thrives in northern Spain.

A historic Christian shrine nestled within a spectacular natural cave.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

A living art gallery painted on a canvas of Monterey pine trees.

A Spanish artist builds his own castle.

This century-old ruined temple was reborn as "The Church of Skate."

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.