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

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

A hugely vast Irish landscape of barren rock that stretches for miles.

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

Ornate limestone building now filled with geologic specimens, and more.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

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

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

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

What was once the largest NFL stadium.

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.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

Where the Model T was made and the assembly line was invented.

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

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

Enormous small-business mecca in the Midwest, serving dozens of artists.

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

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

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

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.