Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

Here, exhibits come with a side of edible history.

Hear the tales of New York's most notorious criminals.

The first museum in the United States dedicated entirely to posters.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

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

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Ride the subways of yesteryear.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

New York's oldest magic store.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Abandoned railway line circling the city of Paris.

This massive library holds what was once the largest book collection in the world.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This little gem of a museum is a hidden jewel filled with prehistoric treasures.