Rare recess caves fill this unbelievably beautiful Ohio park.

This park pays homage to the region's rich industrial history of brick making.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The plants form a living library and laboratory for researchers and students at Michigan State University.

It leads to a former hospital’s old root cellar.

On the shores of Lake Kalamazoo, a plaque marks a fictional event where an island nation ran aground.

Large pioneer village showcasing life during boom times.

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Lie in a hammock where George Washington stood.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

During WWII the U.S. Navy conducted primitive drone strikes on this Lake Michigan lighthouse.

This shallow cave got its name from copious amount of human bones found inside.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

A lavender labyrinth so large it’s visible on Google Earth.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This sprawling bookstore spans four floors and has more than a million books in stock.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

America's oldest archaeological site or a muddled case of wishful thinking.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.