Software company Epic Systems has created one of the strangest and largest workplaces of all time.

A bizarre house filled with an astounding array of collections.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

More than 5,000 contemporary and "historic" mustards from around the world.

Eternal resting place of the grave robber and murderer who served as inspiration for many of cinema’s famous madmen.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

"Looks so real, it's scary!"

A museum, walk-through diorama, and library nestled under one castle-like roof.

This simple stone monument honors a 19th-century tragedy.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

A towering Art Deco movie palace made to look like a Mayan temple.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

A monument to the art of slicing people open.

A Bibliophile's Dream.

A Mormon place of exile in Missouri.

A museum dedicated to man's boldest venture.

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.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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

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

A hundred-year-old museum filled with giant physics toys and experiments designed by grad students.

A unique botanical garden housed in three giant geodesic domes.

This circus town museum recognizes the outstanding clowns of history.

A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.