An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

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

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

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

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

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

The former sign of this immortal music venue is just that--undying.

The home of the first American-born saint is one of the only curved buildings in New York.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

The most confusing clock in New York.

Salute the leader of the proletariat.

An annual extravaganza of Broadway theater memorabilia.

Little Red Lighthouse under the George Washington Bridge.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Rummage through this sunken ship, but leave your scuba gear at home.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.