A suspended garden, now gone, once hung in the middle of this abandoned church.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

This freshwater spring fills with 10,000 gallons of water per minute.

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

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

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

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

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

This tree was warped centuries ago to serve as a botanical wayfaring tool.

The secret skeleton of a murdered nun was discovered in this church basement, but the scandal doesn't end there.

Hidden beneath the waters of Lake Michigan rests a perfectly intact ship from the early 1900s.

A series of 33 stone markers maps an ancient 55-mile transportation route.

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

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

The largest ancient burial mound in Ohio.

A real flying saucer, contracted by the U.S. Air Force.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

In this relatively flat state the highest point is an honored place.

One of the largest collections of holy relics in the country.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

A lost cemetery stands forgotten on a hilltop, known only to the older residents of Pomeroy.

An abandoned asylum incorporated into a college campus.