The maximum security facility was once thought to have "the bloodiest 47 acres in America."

This depiction of the earth mother welcomes new life into Aurora Highlands.

At this multicultural hub, refugee chefs serve the foods they miss most from home.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

Walk along the intricate path of this stone labyrinth and gardens.

A museum within a museum, devoted to history's most questionable medical devices.

A little-known memorial to servicemen and nurses killed in the line of duty during the First World War.

The tragic death of 19-year-old Mabel Tainter in 1886 led to the construction of this unique Victorian-era theater in the northern woods of Wisconsin.

This lone survivor of a regional franchise still slings delicious burgers and colossal servings of fries.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

Sip whey-based vodka at the first Native-owned distillery opened on a reservation in centuries.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

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

The world's longest known cave system.

The first KFC is on the National Register of Historic Places.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

An amazing collection of sculptures and art.

A stone face watches over the river.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The famed architect designed this Minnesota gas station of the future with a lookout tower.