This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Elvis's own personal tropical hideaway.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A 18th century graveyard and its astonishing cortege of macabre iconography.

A striking public sculpture representing the period of martial law in Communist Poland.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

An underground city of salt.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

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

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This massive roadside mascot was the first version of the giant to illustrate his butt.

Crumbling remnants of what was once a booming town full of silver.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.