The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

A towering Art Deco movie palace made to look like a Mayan temple.

A lush green oasis in the middle of Chicago.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

St. Augustine's record-setting narrow street was designed to protect against pirates.

This small beachside park commemorates the possibilities of discovery.

This small island was the first National Wildlife Refuge ever created in the United States.

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

Off of the Crawfordville Highway in Florida, nature is taking back this decrepit row of Ford trucks.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

The bottle house obsession struck a Florida man in his retirement, and now he can't stop building.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

Of course the guy with the first patent for an ice machine lived in Florida.

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

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

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.

Glass and concrete building designed by Albert Kahn.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

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

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Advice-columnist's bell tower, paid for with pennies.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.