If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

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

148 feet long and in the middle of a verdant forest.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

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

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

One of the American Southwest's most extensive collections of Navajo rock art.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A clear blue swimming hole with hidden caves, still unexplored.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.