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

This graceful little figure is a one-of-a-kind version of the cherished character.

In which a local geological marvel becomes a quaint roadside attraction.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

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

Where America's first doomsday cult awaited the end of the world.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The graffitied ruins stand hidden within the Pennsylvania woods.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

There are owls with glowing eyes in Herald Square.

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

World's first "penitentiary," meant to be humane, drove men insane.

A 140-year-old castle with underground caves hidden in San Francisco.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

Meet some of the most prominent figures in Black history through life-sized wax models.

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

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

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

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.