Resonating tubes make music from highway overpass.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

Over 50 whirling pools left behind from the glacial age.

A war memorial that appears to ascend from its forested setting.

The last surviving 19th-century blast furnace in Connecticut.

Take a step inside the picturesque studio of America’s most renowned sculptor.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

A mysterious echo seems to defy the laws of acoustics.

Journey through vintage Americana inside this small Massachusetts shop.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

The largest collection of historic military firearms in the United States.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.

A unique work of art that was created without permission.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

This abandoned ironworks was once the most important military supplier in America.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

Thousands of bottles that have held everything from poison to perfume make up the collection of this small museum.