This zoological museum began as the first great curiosity cabinet.

An extraordinary collection of 18th century anatomical waxworks.

Op-art architecture designed for happiness.

Commonly acknowledged as the only public monument to the Devil himself.

An ancient Egyptian temple in the middle of Madrid, Spain.

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.

Alien rock formations grown from the sands of an Australian national park.