The vanishing remains of an old water station from the late 19th century.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

This outdoor gallery of sculptures along the East River was once a landfill.

A clear blue swimming hole with hidden caves, still unexplored.

A somber monument commemorates the site of a Native American reservation marked by suffering.

The final resting place of the most famous outlaw in the Old West.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

This unusual apartment building may be Brooklyn's own version of the Leaning Tower of Pisa.

This old ruin once served as a post office, a train station, a restaurant, and a bridge to the Atomic Age.

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

Considered by many to be one of the most dangerous highways in Alaska.

This sundial indicates the time based on where you stand within it.

A century-old magnolia tree is the only living landmark tree in New York City.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

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

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

One of the American Southwest's most extensive collections of Navajo rock art.

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

The oldest continuously occupied public building in the United States.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

All that remains of this abandoned coal town is a beautiful, haunting cemetery.

This unassuming layer of clay boasts an out-of-this-world origin story.