This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

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

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

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

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

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

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.