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

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

A gallery specifically dedicated to the botanical illustrations of a remarkable traveling lady.

Folklore and history carved into Brittany's coast.

Northern Ireland's Brobdingnagian stepping stones.

The ancient tomb acts as a calendar that keeps perfect time.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Two small chapels housed inside an ancient tree.

This massive library holds what was once the largest book collection in the world.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A marvel of Byzantine engineering under the streets of Istanbul.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

The famous winding walk at Chartres is surrounded in mystery and myth.