Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

One of Japan's most famous sights, the bridge was originally built in 1673.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

What was once the largest NFL stadium.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

A massive collection of vintage cars in an industrial-style building.

A historic cider mill still using time-tested techniques.

This nearly 200-foot tall limestone stack offers visitors amazing views and a chance to meet Paul Bunyan and Babe the Blue Ox.

This museum was once the home of industry titan Matilda Dodge Wilson.

The remains of a failed canal can be found in several towns near Lake St. Clair and is known historically as "Mason's Folly."

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

A restored 114-year-old railroad station heralded as the most photographed depot in the United States.

Michigan’s most famous shoe tree.

One of the few working locomotive roundhouses in the United States.

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

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Detroit’s downtown castle is one of the oldest structures in the city.

A comedy troupe's collection of bizarre humor.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

World's largest Christmas store.