A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

The oldest landmark of Toronto is a testament to shifting sands.

The first handmade canoe built by members of the Passamaquoddy in over a century.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

East meets West in this Japanese-style garden featuring plants native to Maine’s Mount Desert Island.

The only remaining historic maritime signal station in the United States.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

One of only two commuter aerial tramways in the United States.

Site of the first pathological and bacteriological research facility in the United States.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

There must be a pun in this haystack somewhere...

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Commemorating the spot where the famous scientist fed his pigeons.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.