A humble plaque marks the site where the country music legend was found dead in his Cadillac.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

America's post-nuclear-attack chambers of Congress.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

This abandoned amusement park was built on a site with a dark history.

The rock on which Moll Dyer was found frozen to death is said to still bear her handprint.

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.

One of the largest collections of Catalan literature and cultural materials outside of Spain, created by a community of 1960s expats.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

The whole world in one water tank.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

This abandoned sea fort has become an accidental bird sanctuary.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

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