The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

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

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

The famous author's cottage hideaway.

A Manhattan Episcopal church with an eerie underground crypt.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

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

A heartbreaking monument showing the last morning in the life of Jane Griffith.

Peek through the gates at this oasis from the city, full of Old English charm.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Final resting place of the immigrant who brought artificial seltzer water to America.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

One of only two remaining Victorian-era greenhouses in New York.

A mass grave for victims of one of the city’s worst fires.

A curious friendship between two inanimate ladies.

A world of whimsy and wonder aboard a one of a kind historic landmark vessel.

Four cars from the old system were once on display, but were removed in 2014.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

A Red Hook dive bar that is holding onto its roots.

A working metal shop and venue for outrageous art and music shows in a former cannonball factory.

An unconventional space for art and science housed in a massive old warehouse.

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

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