This unusual apartment building may be Brooklyn's own version of the Leaning Tower of Pisa.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The unassuming structure was part of a Major League Baseball stadium.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

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

Volunteer-run library dedicated to exploring five decades of activism history.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

A town trapped in time - 1958 to be exact.

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

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

A dilapidated dock tells the story of Titanic's missed arrival.

A memorial marks the library lobby where Langston Hughes' ashes are buried.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

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

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This secluded ruin was once a home for exotic plants.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Try not to get slimed in Tribeca.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A psychedelic labyrinth on the San Francisco bay.