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

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

Where most of the world's flypaper was made.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

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

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

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

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

The city is full of whimsical portals to another world.

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

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

A forsaken wonder in the middle of the East Side neighborhood.

The seat of Buffalo government is a gorgeous Art Deco palace.

Ruins of a once-prized railroad station in New York.

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Etchings in a pile of boulders on the Long Island Sound are a monument to vanquished native peoples.

The real-life site of Ichabod Crane's infamous gourd attack.

An unrealized dream to wirelessly electrify the entire Earth.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.