This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

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

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

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

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Hans Christian Andersen for the postmodern world.

This sublime architectural marvel is a rare example of an expressionist church.