A popular European tradition makes its way to the states on one of America's most famous bridges.

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

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A once grand hotel is being retaken by the wilderness it once capitalized on.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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.

Ride the subways of yesteryear.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

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

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

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A dilapidated dock tells the story of Titanic's missed arrival.

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

Elevated freight railway turned wildly successful urban park.

A terrific purveyor of natural history objects and curios.

Dramatic river bend surrounds a natural red-rocked pedestal.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Built by the Ancient Greeks, this chariot bridge is still in use today.