Venice's "Island of the Mad."

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The largest and most famous wax anatomical collection anywhere in the world.

Fortified medieval tower house with lovely roof garden.

A collection of objects supposedly singed by the hands of souls in purgatory.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

A hospital where antique dolls are given new life.

Architectural monsters are devouring this palace's every door and window.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.