Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

A turquoise lake within a volcanic crater.

Victoria's largest salt lake is a favorite haunt for photographers and stargazers.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

Home of the world's largest crocodile.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

This mosaic-covered bar is brimming with curated curios.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

One man's unrequited love stands in a glass box forever.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

A sculpture of a giant man escaping from the depths of the Earth.

Who said a biker bar is no place for a taxidermy squirrel collection?

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

A subterranean haunt where wine and homemade biscottis are always on the menu.

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

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

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

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.