The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

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

An eerie site of reverence for those who have completed an epic journey.

An unusual art exhibition in a suburban yard is designed to awaken the souls of those flowing by.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

The headquarters of a secretive order is also a beautifully-designed park.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

This collection of ferns from across the globe is the largest assortment in the United States.

A little-known mural reveals the hydrological reason for Atlanta's founding in this location.

A popular oddity on display in a stately building, offering a symbolic commentary.

A real flying saucer, contracted by the U.S. Air Force.

A spiritual vortex among the red rocks in Sedona.

This small cemetery is all that remains of Atlanta's first Black communities.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

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

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

Beside some power panels, a plaque celebrates the history of an alternate world.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

An early-19th-century hotel with a past that is steeped in the Civil War.