The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

One of the largest squares in Europe contains an entire artificial island.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

A modest museum in the final home of Italian poet and father of modern Italian, Francesco Petrarca.

This medieval castle was home to a known tyrant and features several hidden passages.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.