This church on a Tohono O'Odham reservation has stood since 1797.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

A bypass decorated with large wooden troll carvings.

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

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

A bizarre house filled with an astounding array of collections.

This cave holds a surprisingly colorful variety of geological oddities.

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

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

The world’s largest collection of angel figurines includes 600 black angels donated by Oprah Winfrey.

A museum celebrating the self-taught artist-environment builder.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

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

A river with some unusual, and occasionally dangerous, habits.

A six-story-tall golden pyramid, surrounded by a moat.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

The birthplace of a titan of American cinema.

The building was originally a gas station built to resemble a Japanese tea house.

This whimsical sculpture garden is a local treasure.

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

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