One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

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

Giant six-pack could provide one person a six-pack a day for 3,351 years.

An authentic Dutch windmill, built in the Netherlands and shipped to Wisconsin.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

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

In 1953, a group of Wisconsin high school students helped build a hospital by collecting over a million pennies.

A wondrously macabre treasury of obscure antiques and unusual oddities.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

Prolific outsider artist Sid Boyum's concrete sculptures add whimsy to Madison's Schenk-Atwood neighborhood.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

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.

The only thing these street signs will help you navigate is your imagination.

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

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

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

A bypass decorated with large wooden troll carvings.

This cave holds a surprisingly colorful variety of geological oddities.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.