After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

Explore a real 19th-century lead and zinc mine at this immersive series of exhibits.

Homemade outdoor church and sculpture garden decorated with glass shards.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

A curious sculpture garden and museum in Cochrane, Wisconsin.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

Inside this museum resides a boot fit for a giant.

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

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

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

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.

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.

A mini Wrigley Field for mini baseball players.

A former barn converted into a massive train diorama.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

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

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

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

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

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