Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

One of the smallest bookstores on the planet.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."