Below this enormous headstone lie Billy and Benny McCrary, better known as the "McGuire Twins."

This stone statue inspired Thomas Wolfe’s 1929 novel 'Look Homeward, Angel.'

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

This beautiful Miami garden was designed as a laboratory for tropical plants.

Over 120,000 curious objects that have shaped our modern world.

During the holidays, a vintage subway train whisks New Yorkers back in time.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

The massive machine creates cracking displays of indoor lightning.

One of the now-less-hidden floral gems of the "Emerald Necklace."

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A beautiful Victorian-era cemetery, complete with a miniature village.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

A popular European tradition makes its way to the states on one of America's most famous bridges.

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

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Nikola Tesla's former home contains an homage hidden from plain sight.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.