Home to three historic ships from the age of Vikings.

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

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

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

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

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

Ancient snack bar of the Roman Empire re-opened.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A miniature view of the park, caught in time.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Acres of natural wonders left behind by a socialite-turned-gardener.

Abandoned Air Force base that has fallen into disrepair.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

The liveliest ghost town in the state.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.