A haunting medieval cloister that once served as the friars’ burial ground.

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.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The charred, dead skeleton of an oak tree is said to have consoled a dying 16th-century Italian poet.

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

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

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

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

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

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

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Ancient ruins hidden underneath a modern luxury hotel.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The oldest operating pharmacy in the world features 800-year-old recipes.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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