Try not to get slimed in Tribeca.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This small-town pizzeria won the Hollywood lottery.

This strangely amalgamated museum explores the history of the Timex clock company as well as archaeology.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

The "Seinfeld" diner.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

One of the last Jazz Age "Wonder Theaters" in New York City.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Little Red Lighthouse under the George Washington Bridge.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

This kitschy tavern is also home to rare early editions of "Treasure Island."