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

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

This statue is the only female representation of Rome's "talking statues."

A massive marble foot is tucked away in a small alley near the Pantheon.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

Architectural monsters are devouring this palace's every door and window.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

So many migrating birds roost on the bridge, it has a special summer speed limit.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

This beloved roadside attraction welcomes visitors with his signature neon smile.

The arch that celebrated the completion of the Lincoln and Victory highways.

In the middle of a remote desert town is a surprisingly opulent hotel.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

A local prank turned town icon.