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

Baltasar Bachero became a hero after he saved the lives of two children nearly run over by an out-of-control mule-drawn carriage.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

At this century-old barbershop, clients used to be entertained with a glass of brandy and a cigar.

The biggest outdoor modern mosaic in Madrid

The facade of this 16th-century building is decorated with carvings of 300 seashells.

This 13th century convent is now a medieval painting museum.

This tranquil urban park has a violent history.

This fine building houses an even finer military museum.

A somewhat mysterious biomedical museum housed inside a Spanish university.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

A hidden medieval crypt where a famous legend says the devil used to teach black magic.

An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

This 19th-century fountain's namesake animal isn't what you think it is.

Giant topiary dog once played a role in a terrorist bomb plot.

Marvel at this immense work of art that greets arrivals to the city.

An abandoned train station in Munich constructed for the 1972 Olympic games.

A subterranean display of public art and architecture.

On high feast days, the entire blue-glass front of this modern church opens up to reveal the small wooden church inside.

In the waters outside Helsinki, a tiny island once used as a military outpost now welcomes visitors.

The last surviving submarine from a strange chapter of Finnish history.