This sprawling art park is filled with sculptures, nature trails, and art workshops.

An aptly-named street near the birthplace of the modern LGBT rights movement.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A very classy 1920s-era bar right in Grand Central Station.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

A bizarre house filled with an astounding array of collections.

Because holiday cheer is at its finest when it includes eerie mannequins, right?

This lush 12-acre site was once named the finest Japanese garden in North America.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Dim sum, served in a grand old theater.

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

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

Why have you never heard of the second most popular tourist site in New York?

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A centuries-old church stands as a testament to Boston's "father of architecture."

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.