Geothermal waterfalls in Tuscany.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

A massive engineering and hydraulic marvel dating back to the 3rd century BC

This region of the Perugia municipality has an unforgettable name.

The leathery remains of a woman who died in the 13th century now lie in a church named for her.

This war memorial commemorates some of the world's first paratroopers.

A stunning fountain depicting a mythological she-goat carved directly into the rocks on the grounds of a Renaissance palace.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

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

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This building has survived for more than a century and remains virtually untouched.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Italian horror legend Dario Argento’s own shop hides a sinister museum-dungeon in the basement.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

This ancient market is often referred to as the oldest shopping mall in the world.

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

This curious, round temple is the oldest still-standing marble building in Rome.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.