Oldest surviving example of a Dutch saltbox frame house in America.

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

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

Guerilla gardeners reclaimed this abandoned railroad land literally putting down roots.

Three stories above you, your salad is being grown.

Two New York rooftops are home to the largest rooftop soil farms in the world.

A library and shop devoted to the body, mortality, and bringing to light forgotten or neglected histories

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.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

Sniff the Titan Arum's rotting flesh.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The Vatican of the movie industry turned into an actual church.

A graffiti Mecca welcoming artists from around the world.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

Avoid gangster interaction while window-shopping.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This private residence was the template for one of the most beloved television homes of all time.

Vast stretch of tide-pools with a unique Moroccan charm.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.