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

A bit of retro transportation flair preserved in the world's largest department store.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

These gardens recreate unique and endangered Michigan habitats.

One of the few working locomotive roundhouses in the United States.

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

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.

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

This former industrial site has transformed into a community sculpture garden that hosts monthly Full Moon parties.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district

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

It's gunky, it's gross, and it's been freed from the sewer and put on display.

The birthplace of the Ford Model T is now a museum full of antique cars.

Glass and concrete building designed by Albert Kahn.

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

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