This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

In which a local geological marvel becomes a quaint roadside attraction.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

There must be a pun in this haystack somewhere...

A bit of retro transportation flair preserved in the world's largest department store.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

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

Where commuters walk through remnants of an ancient Greek necropolis.

A sharp sculpture made of thousands of pieces of jagged glass.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

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

This legendary city has been a tourist attraction for centuries.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

World's largest barrel containing an inn.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

It's good luck to be mocked by this monkey.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.