Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

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

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

An ornate Detroit church, left empty and ravaged by time.

The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

This shallow cave got its name from copious amount of human bones found inside.

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

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

During WWII the U.S. Navy conducted primitive drone strikes on this Lake Michigan lighthouse.

A lavender labyrinth so large it’s visible on Google Earth.

Hidden beneath the waters of Lake Michigan rests a perfectly intact ship from the early 1900s.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

This tribute to a local man towers within a quaint lakeside park.

The very isolated Charity Island Lighthouse has been watching over Saginaw Bay since 1857.

Largest outdoor staircase in the United States.

Inside the Wayne County airport is an amazing collection of lights and sounds.

See prehistoric footprints, plus two complete mastodon skeletons.

This small, nautical gift shop is home to a 500-pound behemoth.