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

Cryptic messages embedded in the New York City sidewalk.

A eight-foot-tall statue resides in the heart of Pennsylvania anthracite coal country.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The rock on which Moll Dyer was found frozen to death is said to still bear her handprint.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Also known as the Founding Church of Scientology.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

Washington's iconic carousel has a nice piece of Civil Rights history.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

At 207 feet, one of the world's longest continuous escalators.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

Two massive rock outcroppings on the Oregon coastline.

This methodist cemetery is slowly receding into the wilderness along a Maryland highway.

The land is home to swimming ponies and a legendary 18th-century treasure.