What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

The 606 is a decade in the making.

Roses and other fascinating flora fill this garden built to commemorate Britain's immortal Bard.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Where most of the world's flypaper was made.

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

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

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

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

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

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

The only surviving prototype for Buckminster Fuller's house of the future.

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

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

A spooky defunct railroad tunnel now part of a sprawling trail.