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

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

The only museum with its curator—and her pets—buried inside.

This medieval castle was reconstructed by Carlo Scarpa.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Pilgrimage site for star-crossed lovers.

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

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

Featuring the last fully walkable parapet walkway in Europe.

Turtles swim in a pond surrounding a classical temple in this lush park in Vicenza.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

Abandoned Italianate architecture on the coast of Maine.

This tiny patch of arid sand sits in one of the greenest states in the United States.

One of the largest wooden ships ever built is honored by a steel sculpture evoking her once-superlative scale.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

This candy-striped tower is the farthest east you can go in the United States.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.