This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

The oldest surviving botanic garden in the United States.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This 25-foot-tall gorilla made his way from the Wildwood boardwalk to a Pine Barrens gas station and deli.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Colorful, cheeky signs spill out of legendary New Orleans folk artist Dr. Bob's Bywater studio warning you to "Be Nice—Or Leave."

Like Mars, but much closer.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

Georgia’s last drive-in movie theater is a relic of a bygone era.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Follow the path behind this treat-slinging camper van to a sculpture garden in the forest.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The largest self-built castle in the U.S., six decades in the making.

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

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

Step inside Lucy, the world's largest "elephant."