This elaborate tunnel is the first structure composed of cast concrete in the United States.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

The home of one of America's most beloved fictional characters has become a real world landmark.

An activist who committed her life to peace and women's suffrage.

The inventor of the Coney Island hot dog rests in a grand mausoleum in Brooklyn.

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

This magnificent herd of stampeding elephants has been frozen in time for over a century.

This recently uncovered ad for Lindsay's run at Mayor in 1965 had been hiding for decades underneath a billboard.

A community theatre in Brooklyn that brings Country to New York and New York to Country.

The final resting place of some of Staten Island's earliest settlers and their descendants.

Here be dragons.

The mysterious image is believed to show Edward Hyde, 3rd Earl of Clarendon, in a beautiful blue dress.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Snack on a partially gestated duck egg.

A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

A large boulder marks the place where the island of Manhattan was purportedly "sold" to the Dutch.

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

A strip of modern stores in historic buildings.

This Bronx apartment building is officially recognized as the birthplace of hip-hop.

For 20 years, local pumpkins have met their fate on the iron fence surrounding this Cobble Hill home.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

A mysterious statue of a leather jacket-clad rebel leans coolly on an odd yellow clock.