A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

The home of aviation trailblazers, in a remote corner of the big city.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The 28-foot granite map plots the locations of 40 theaters in New York City.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Visit the monolithic tomb of America's most famous general.

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

Try not to get slimed in Tribeca.

The celebrated eyesore created by starry-eyed sweethearts.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

The pits used to load the nuclear bombs onto the aircraft that dropped them over Hiroshima and Nagasaki at the end of World War II.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

Legends surround this jagged rock formation in the New Mexico desert.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.