The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

These markers are used to determine the ground stability of the Strip.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Chicago’s last original drive-in restaurant is a family-run hot dog joint that started in 1948.

A wooden rollercoaster that still delivers a thrill.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A hidden oasis just north of Chicago's Chinatown.

All of the Malaysian sweets at this shop are made daily with a whole lot of love.

One of the remaining markers of an era when Brooklyn and Flatbush were separate cities.

An extensive collection of fine art devoted to man's best friend.

A Hell's Kitchen synagogue that has counted stars of stage and screen among its congregation.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Burial site of the notorious Chicago gangster.

Decades of pinball and arcade classics line this South Florida outpost of a popular Northeast arcade.

Relics given to a Manhattan church to avoid seizure by the Italian government.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

This haunting monument honors the victims of 9/11.

This monument is dedicated to Balto, the heroic Alaskan sled dog.

The Underground Railroad passed right through this historic Brooklyn Heights church.

Here, exhibits come with a side of edible history.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.