The most confusing clock in New York.

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

The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

A reminder to choose water over wine since 1888.

The palatial McDonald's that inspired Wesley Willis.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This shop for all your super spy needs hides an educational secret.

Final resting place of Typhoid Mary.

The mummified relics of an American missionary.

The first pet cemetery in the United States.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

Curios, scientific antiques, oddities for sale.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.