Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

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

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

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

This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.

This observatory comes complete with three separate telescopes and a dedicated community of amateur and expert astronomers.

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

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

At HopCat, a marker honors fictional creatures with the ability to travel the missing dimensions of Kcymaerxthaere.

Outside Grand Valley State University, you'll find a bench upon which many were said to have sat according to the fictional Kcymaerxthaere, waiting for a guide of time.

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

At Fountain and Division, in the shadow of Kendall College of Art and Design, lays the story of a fictional culture whose political system was used under license and who finally rebelled.

The museum moved on, but the diorama remain.