The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

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These unique rock formations were created during the Ice Age.

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

The middle finger of modernity.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

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.

A plaque on the base of this statue holds a bewitching design.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

Slated for demolition, this house was relocated piece by piece.

The only surviving 19th-century water-powered mill found in the Washington, D.C. area.

Extraordinary objects lurk in this quintessential regional museum.

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

An ancient Greek monument and a Byzantine church coexist inside this cave.

Legend says this sacred tree was a gift from goddess Athena.

Gladiators once walked this ancient, subterranean passage.

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

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

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

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.