If astronomy had a ghost, it would look like this observatory.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Part taxidermy workshop, part natural history museum this Michigan destination shows off its dead animals and helps you mount your own.

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

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

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

This small museum is dedicated to making sure the history of the natural ice industry doesn't melt away.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

A large collection of motorbikes with some impressive gems.

This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

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

The spectacular collection of one of the world's best woodcarvers.

Remnants of 19th century vigilante justice.

After covering almost 1.5 billion acres, the survey's still not finished.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."