This church is known as "The Home Church of George Washington and George Mason."

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A community of collapsing homes more than a mile out from the Florida coast.

Home of Philip Johnson, one of the 20th century's most influential architects.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Many of the murals covering this sleepy Florida town hide some sort of intentional error.

Rare recess caves fill this unbelievably beautiful Ohio park.

You can release a young butterfly at this beautiful indoor garden.

One of the most accessible undersea plane wrecks in the world.

In paradise, feral pigs have claimed an island all to themselves.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

A centuries-old forgotten underworld lies beneath Malta.

Impressive sink holes fill this untouched old-growth forest in the Bahamas.

Home to the deepest rift anywhere on Earth.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The narrowest house in America is seven feet of pure spite.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.

A building shaped like the Army Corps of Engineers logo, because why not?

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

A hidden tunnel of bones in one of Malta's oldest churches.