A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

A charming beach town in Turkey captures all the colors of the rainbow.

This bridge was constructed from the rubble of the infamous Bastille.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

Limestone grottoes turns everyday objects into stone.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

The Emperor Tiberius' palace of debauchery.

The glowing blue Nymphaeum of Emperor Tiberius.

This clifftop arch is a natural stunner.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

This giant roadside fruit is home to an array of apple-based treats.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A flooded Mexican cave that hides a river beneath the water.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.