One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

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

The bones of an old zoo crumbling in the shadow of a new one.

A Beaux-Arts triumph set to become Ford's innovation campus

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

A fitting attraction for the corn capital of the world.

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

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

Astounding collection of coin-operated games and automata.

Trade in that pesky human soul for cold-hard circuits.

The city is full of whimsical portals to another world.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

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

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