One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This former crime corner has been turned into an eclectic community center.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

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

100 massive sculptures in the Hudson River Valley.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

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

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This little museum in the town where zombies were born celebrates the living dead.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

Once America's tallest structure, now a Baltimore landmark.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".