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

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

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

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

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

Where the lovelorn find a home for their sentimental keepsakes.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

A public work of art that also provides some relief from the summer heat.

These caves secretly held national treasures during World War II.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Where commuters walk through remnants of an ancient Greek necropolis.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

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

An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.