A natural gas leak provides a flickering flame beneath a waterfall.

A historical home in upstate New York honors the work of John W. Jones, a formerly enslaved man who was a major agent for the Underground Railroad.

The little-known final resting place of one of America's greatest writers.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

An allegedly cursed tree represents a town's reckoning with a racist past.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Glacial erratic or man-made dolmen? It probably wasn't druids.

American artist J. Alden Weir purchased this 60-acre estate for $10 and a painting.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

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

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The real-life site of Ichabod Crane's infamous gourd attack.

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

Georgia's highest point was given its strange name thanks to a simple translation error.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

The highest point in Maryland is only accessible by hiking through another state.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.