One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

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

A small museum packed with specimens from important fossil sites and minerals from historical pegmatite quarries.

A hundred-year-old museum filled with giant physics toys and experiments designed by grad students.

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

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.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

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

A curious sculpture garden and museum in Cochrane, Wisconsin.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

A lifetime's accumulation of bric-a-brac and kitsch.

One toy collector's legacy of hundreds of unique items includes the most diverse display of northern indigenous dolls.

Take a break from all the boring business of death at this funeral home mini-golf course.

With 8,000 pipes this giant instrument is the most versatile theatre pipe organ ever built.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

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

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

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

Wisconsin's most celebrated export gets the royal treatment on I-94.

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

Robots, lasers, and whoopee cushions, oh my!

The oldest certified bowling alley in the United States is in the basement of this century-old bar.