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

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

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

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

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

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

The only Frank Lloyd Wright-designed structure in the architect's hometown.

Every winter, dozens of otherworldly ice structures sprout up from a rigged up artesian well.

This whimsical sculpture garden is a local treasure.

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

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

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

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

Homemade outdoor church and sculpture garden decorated with glass shards.

A fairytale art house in the middle of Wisconsin.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

Paranormal activity on the great lakes.

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

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.