A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

A popular European tradition makes its way to the states on one of America's most famous bridges.

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

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

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

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

Five candy-colored villages on the Italian Riviera.

Colorful and chaotic stacked hotel in North Holland.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Europe's official "zero-level," the equator of elevation.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Amsterdam's former hotspot for public executions and dissections.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

More than a century old, this cast iron bridge on the Balmoral Estate leads to nowhere.

A remarkable feat of Victorian engineering across the Firth of Forth.

This popular square's history as the former site of a church is right beneath your feet.