One man's vision and a labor of love of many.

The first spinning jail built in the United States is the only one that still turns.

Ornate limestone building now filled with geologic specimens, and more.

Display that gathers the basic elements of the universe in one convenient location.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A medical facility that has been kept frozen in time.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

The longest navigable underground river in the United States is home to countless blind and albino animals.

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

The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

The birthplace of professional hockey on the shores of Portage Lake.

The unusual medical inventions of the man who gave the world Corn Flakes.

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

Celebrating the end of winter, students gather every year at Lake Superior State University to torch a 12-foot-tall snowman.

The former home is said to be haunted by the ghosts of the beloved mayor and his wife who lived here.

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

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

Large pioneer village showcasing life during boom times.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

This log cabin gallery is one man's gnarly, hand-carved tribute to his favorite trees.

These sprawling mines once served as a source of plaster and today serve as a storage facility.

This historic Jewish cemetery sits right in the heart of a Detroit car factory.

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.