Series of storm drains connected to a dark urban legend.

The famous author's cottage hideaway.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

The mummified relics of an American missionary.

Little Red Lighthouse under the George Washington Bridge.

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

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

Harlem park dedicated to compulsive hoarders killed by their own junk.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

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

Dedicated to preserving the history of free Black communities in Brooklyn and beyond.

A crumbling hospital from the 1850s on Roosevelt Island.

Bowl in splendor, if you're lucky.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

A curious friendship between two inanimate ladies.

A graffiti Mecca welcoming artists from around the world.

Slyly buy a shake in the Parker Meridien lobby.

Read a book next to a Midtown waterfall.

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

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

NYC's legendary underground network for bovine transportation.