This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

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

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

A museum dedicated to exhibiting remarkable outsider art.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

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

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

Over 50 whirling pools left behind from the glacial age.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Resonating tubes make music from highway overpass.

More than 200 unconventional musical instruments that anyone can play.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

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

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

A decidedly out of place statue memorializes the Blues Brothers characters at this water bottling plant.

The most photographed house in Maine looks good enough to eat.

The world's largest rotating world.

Memorial to a beloved puppeteer as well as all street performers.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.