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.

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.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The celebrated eyesore created by starry-eyed sweethearts.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A historic house left in "dramatic still life."

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The highest rapid transit station in the world.

A cruise terminal that changes the atmosphere of Red Hook's industrial waterfront.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

This preserved wilderness hides the remains of a colonial grain mill used to feed George Washington's troops.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

New York's southernmost subway station is whimsically wavy.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

This secluded ruin was once a home for exotic plants.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.