The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A hidden alley in urban Baltimore is a haven for graffiti artists.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

For nearly 200 years the same family has harvested ice from a small pond in eastern Maine.

Home to a timed geyser created by complete accident.

Man-made geyser that rises to the exact height of the Gateway Arch.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

Take a drunken tour inside the world's largest known geode.

A stockpile of childhood lunch pails turned collectibles.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

A dramatically eroding canyon thousands of miles from the desert.

A small chapel celebrating the spiritual bond between dogs and humans.

World's largest precision optical instrument used to detect Einstein's elusive gravity waves.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

Come for the boats, stay to explore the intriguing assortment of art.

The house's confection-like decorations are the result of one man's painstaking work over decades.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.