Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

A Manhattan Episcopal church with an eerie underground crypt.

You must take the A train... to the last active cemetery in Manhattan.

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

An accidentally hidden library containing the ephemeral history of New York.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

The impeccably spiced roast pork buns at this bakery are worth the wait.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Dine on dumplings at the oldest dim sum restaurant in New York.

Historical figures from New York City's Catholic community reside in Midtown.

The greatest real estate coup of all time.

Devotional offerings and pleas for intercession are left at this Depression-era shrine inside a nature preserve.

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

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

Home of Philip Johnson, one of the 20th century's most influential architects.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

At this site, two historic stone bridges spanning the Sing Sing Kill—one right on top of the other.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

A century ago, aspiring socialites climbed on this cement beast with the hopes of marrying a millionaire.