Where most of the world's flypaper was made.

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

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

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

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

More than 200 unconventional musical instruments that anyone can play.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

Historic Hull Street was actually the first street with a proper name in the Boston area.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Resonating tubes make music from highway overpass.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The site of Paul Revere's historic two lantern warning.

Beautiful steampunk ghosts of early Massachusetts.