Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

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.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This public space is speckled with the eerie remnants of a defunct amusement park.

One of the oldest surviving lock houses on the Ohio River.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

The taxidermy remains of the most popular pony in children's literature.

The solitary grave of a schooner captain killed by lightning while serving biscuits.

Experience a charming 1930s version of "infotainment."

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

Built by the patriotic residents of Boonsboro in a single day.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

It would take 35 firetrucks to fill this enormous glacial pothole.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.