Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

This magnificent Cincinnati graveyard is also a popular public park.

An abandoned relic of the city's failed experiment with below ground transit.

Where beautiful signs live on forever.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

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

The Bong-area park police have asked visitors to please, stop stealing the signs.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

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

A trailblazing sovereign nation tucked in the American state of Wisconsin.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

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

A unique botanical garden housed in three giant geodesic domes.

Paranormal activity on the great lakes.

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

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

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

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The center of the only hemisphere that awards visitors with a commemorative coin.

Vikings and Evangelicals have both had a hand in this replica medieval church.

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