Abandoned anti-ballistic missile base.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

This interpretive path lets you get up close and personal with dinosaur bones.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

A museum devoted entirely to the rattlesnakes and snake-related art.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Four abandoned towers hidden above the Douglas fir forest in Washington.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Huge otherworldly domed rocks on the shore of a deadly lake.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

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

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A strange mark in the stone fence of a cemetery fabled to have been made by the Devil himself.