You can still ride this 100-year-old work of art in Brooklyn's largest public park.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Every Sunday, this Thai temple in Berkeley serves a backyard brunch.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Unrepaired walls from a 1920 anarchist bomb attack.

A terrific purveyor of natural history objects and curios.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

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

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

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The magic's in the hole!

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

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

One of only two commuter aerial tramways in the United States.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

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

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.