Curious cave that stays a cool 56 degrees all year long.

The Ozarks' strangest dwelling.

This century-old roadside attraction is full of bizarre rock formations.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An extravagant western hotel where every floor is the "ground floor."

An ever-growing collection of rare and strange objects owned by local Arkansas illusionist Maxwell Blade.

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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

European castle ruins in an American state park are actually the product of death and grief.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

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

An urban forest overtakes what was the greatest failure of utopic urban housing.

A museum dedicated to man's boldest venture.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

Orr Park's dead trees have been carved into a menagerie of whimsical visages.

One of the few surviving "Wigwam"-themed motels.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

An abandoned theme park with a strange and tumultuous past.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

The world's longest known cave system.

A former 19th-century tavern, famous for its peach brandy and honey concoction.