During World War II, this rice mill became a Nazi concentration camp.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Where Venice's gondolas go for a tune-up.

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

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

One of the largest caves in the world open to the public.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Pilgrimage site for star-crossed lovers.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

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

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

A close look reveals that the Scottish monument is just slightly off-kilter.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.