The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Museum dedicated to awful artwork.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The last bastion of Roman presence north of the Alps looms over a German town.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

One of the oldest and largest wooden churches in France was very evidently constructed by shipbuilders.

The world's largest reflecting pool is just two centimeters deep.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

Pilgrimage site for star-crossed lovers.

Venice's island of the dead.

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

The towering Pinocchio stands 63 feet tall in the Italian village his creator frequented as a child.

Secret refuge and museum of the Duke of Florence.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

A long-buried ancient ruin unearthed right in the middle of the city.