The museum houses one of the world's largest collections of glass paperweights.

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

The home of 1.5 million wood letters for printing is still a functioning workshop.

"Looks so real, it's scary!"

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

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

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

A collection of art crafted from various hardware tools.

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.

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

A museum of the dime museum that features weird entertainments of yesteryear, from feejee mermaids to flea circuses.

This unique zoo is the only place in the world where you can see all 15 species of crane.

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

Moving, mind-blowing metal sculpture work of an outsider artist.

A bizarre house filled with an astounding array of collections.

Dozens of large steel sculptures fill this two-acre park outside a former blacksmith's studio.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

Urban explorers embraced America's now demolished first suburban mall, south of Chicago.

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

Former hotel turned into haunted playground.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

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