A former royal garden with lush surroundings in the heart of the city.

With no menu and no sign, this 130-year-old taverna doles out affordable home cooking.

Electrical curiosity museum housed in an old transformer station.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This cuddly-looking statue symbolizes the bond between Spain and China.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.