This massive 286,200-tile mosaic was the largest mural of its kind in the United States and is an early example of computer-generated art.

Homemade outdoor church and sculpture garden decorated with glass shards.

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

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A former barn converted into a massive train diorama.

Amateur taxidermy museum known for its large collection of white squirrels.

"Looks so real, it's scary!"

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

A bizarre house filled with an astounding array of collections.

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

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

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

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

An unassuming house in Wisconsin hides a transient artist’s magnum opus.

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

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

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

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

This whimsical sculpture garden is a local treasure.

Robots, lasers, and whoopee cushions, oh my!