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

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

Standing guard on top of an old, vacant ice cream shop.

World's largest Christmas store.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

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

Largest magic museum in the United States with more than half a million pieces of memorabilia.

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

Astounding collection of coin-operated games and automata.

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

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

The world's largest piece of copyrighted artwork.

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.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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