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

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.

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

House built with over 60,000 glass bottles.

An ever-evolving wall of graffiti art off East Liberty Street.

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

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

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

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

The remains of a religious colony, its amusement park, zoo, and baseball empire.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

The writing studio of an American adventure author, built in the style of a medieval castle.

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

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

Turnip-shaped island just off the Michigan shore in Lake Huron.

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

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

The oldest surviving botanic garden in the United States.

Where America's first doomsday cult awaited the end of the world.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.