Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

A bizarre house filled with an astounding array of collections.

A terrific purveyor of natural history objects and curios.

A huge musical instrument played by the ocean.

A singular collection of hand-built art deco cars are held in a building with style to match.

The unusual medical inventions of the man who gave the world Corn Flakes.

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

Astounding collection of coin-operated games and automata.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

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

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

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

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

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

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

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

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

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.