Parc de l'Espanya Industrial

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

A brother statue swap has adorned this building's facade for centuries.

An Art Deco Icarus statue adorns this abandoned gem of Yugoslav Modernist architecture.

Unfortunately, you can no longer spend a night in this single-person treetop hotel.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The surviving remnants of a destroyed medieval church now stand in a public park.