The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

Four giant movable street lights decorate this modern Rotterdam square.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Designed to illustrate two parts of the human psyche.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

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

Well-preserved, still-functional sliding wood doors from Ancient Rome can be found in this Vesuvius-stricken house.

Historic medieval fortified city in southwest France.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

The medieval ferry service has been going strong since the 14th century.

A musical instrument played by the sea.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

This historic floating crane became an unlikely symbol of the port of Trieste.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.