A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

Where the Model T was made and the assembly line was invented.

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

Location of the Real World's disastrous, and protested, eleventh season.

One of the last functioning antique elevators in Chicago.

These mansions date back to Chicago's days as a brewer's paradise.

Orthodox church partially financed by Tsar Nicolas II.

Internationally known record store and purveyor of "dusties."

Combination beer garden and music venue in the heart of Wicker Park.

This shop for all your super spy needs hides an educational secret.

An avant garde art museum at the University of Chicago.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

An antiquated German apothecary on Chicago's North Side.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

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

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

Almost half-way between the Equator and North Pole.

This pebble beach is so beautiful that taking its rocks is against the law.

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

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

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