This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

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

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Rare recess caves fill this unbelievably beautiful Ohio park.

An office built to look like a giant basket.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.

Glass and concrete building designed by Albert Kahn.

Not quite the menace it once was, this monster still has some chops.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.