A collection of abandoned typographic signs from Berlin and beyond.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

An eerie, derelict amusement park in Berlin.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

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

The "Seinfeld" diner.

One of the only single-person private gravesites in New York City.

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

Little Red Lighthouse under the George Washington Bridge.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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.

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

This forgotten graveyard in rural New York State once served a pioneering hospital.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

A mysterious air force base built to resemble a Long Island fishing village.

A historic lighthouse steeped in rumors of ghost and pirate stories.

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

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.