One man's swirling six-acre monument of stone.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

At this farm in upstate New York, the former president plotted his reelection campaign.

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

This bird-shaped rock formation defies gravity, time, and classification.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

This sparsely populated town offers a look back in time.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

This giant steer-skull edifice refuses to die.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Cheap art and political theater in Vermont.

A beautiful memorial to the 215 passengers and 14 crew members who perished in a 1998 plane crash.

The Pickle Guys stand as a salt-stained holdout of the Lower East Side’s historic pushcart culture.

A rare forest habitat nestled behind two sand dunes.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Curated with the cooperation of the passengers and their families, this museum tells the story of the 29 victims and 16 survivors of Uruguayan Air Force Flight 571.

The oldest café in Montevideo preserves its history as the city's bohemian hub.

This South Pacific volcano has been blowing its stack for over 800 years and is said to be home to a cult leader waiting to be reborn.