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

Ancient snack bar of the Roman Empire re-opened.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The world's most active stratovolcano is almost always erupting.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

Pompeii's less famous neighbor is still revealing her secrets.

This amazingly preserved Doric temple was abandoned before it was ever completed.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

This downtown Dallas art installation is always on the lookout.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

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

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

Sofia's legislative center is continuously reinventing itself.

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

Unrepaired walls from a 1920 anarchist bomb attack.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Try not to get slimed in Tribeca.