The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This recently restored timepiece has stood all around Kansas City.

This "little gallery in the middle of nowhere" is housed in a 170-year-old horse barn in the Missouri Ozarks.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

One of few surviving standpipe water towers in the U.S.

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

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

A museum dedicated to man's boldest venture.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

A mysterious light of unknown origin on the backroads of Missouri.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

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

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

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

Community bookshelf of 25-foot-tall book spines.

The holiday spirit lingers year-round in the "Christmas City of the High Plains."

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

An oil baron's wild paradise and the winner of an ill-fated air race.

A roadside collection of over-sized iron creations that are a bit more macabre than most.