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

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

The world's second-largest sundial, made entirely out of stone.

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

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

Baroque celebration of the end of the Great Plague of Vienna.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

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

This ancient market is often referred to as the oldest shopping mall in the world.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

A massive marble foot is tucked away in a small alley near the Pantheon.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Former hunting lodge of a duke who was an avid collector of impressionist works.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Half of the Pulitzer Prize-winning author's ashes were buried in Armenia.

Despite producing just a handful of movies, a brave and lyrical filmmaker has an entire museum dedicated to him.