Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

One of Frank Lloyd Wright's final works was this UFO church.

A lovely hidden waterfall right off the highway is well worth a stop.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A unique botanical garden housed in three giant geodesic domes.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

Five acres of divinely inspired folk art.

This pebble beach is so beautiful that taking its rocks is against the law.

This cave holds a surprisingly colorful variety of geological oddities.

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

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

A miraculous natural phenomenon known as "the spring that breathes."

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

A popular swimming hole that hides one of America's most deadly diving spots.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

Iconic rock formations that allow for exploration during high or low tide.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.