One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

This old-fashioned carhop restaurant gave the world the waffle cone.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Walk over a 150 year old manhole.

Plot your trip through the city on the sidewalk.

The greatest real estate coup of all time.

The tiniest little stage in New York.

Try not to get slimed in Tribeca.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

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