A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

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

The building was originally a gas station built to resemble a Japanese tea house.

The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

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

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

A bypass decorated with large wooden troll carvings.

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.

An oddly poignant roadside attraction celebrating American folklore.

A curious sculpture garden and museum in Cochrane, Wisconsin.

Statue dedicated to the star of an old television show.

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

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Homemade outdoor church and sculpture garden decorated with glass shards.

A unique botanical garden housed in three giant geodesic domes.

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

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

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

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.