Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

This 47-story "M" needed 20 years to be completed

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

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

A lush indoor jungle fills this bustling Madrid transportation hub.

The world's largest wooden structure.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A centuries-old shrine where Indians pray for U.S. visas.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The first park built over a freeway is a brutalist masterwork.

A colorful architectural gem in Seattle's uniquely modern Central Library.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

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

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

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