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

Former self-sufficient mental institution now a planned community.

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

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

The world’s largest Masonic temple was saved by the White Stripes.

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

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.

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

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

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

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

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

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

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

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

Opulent downtown movie theater now houses cars as an indoor parking garage.

This sprawling bookstore spans four floors and has more than a million books in stock.

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

Largest magic museum in the United States with more than half a million pieces of memorabilia.

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

The city is full of whimsical portals to another world.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.