This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

Known as "The Dome" this is the world's largest open air geodesic dome.

Rippling sand dunes frozen in the Arizona rock.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A local prank turned town icon.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A toxic ghost town sitting atop a massive coal fire.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Could it have picked a better place to land?

Ohio's 19th-century communist micro-society.

A monument to the “unrecognized dead” of the tragic 1876 train crash.

A grandiose title could not save this mercantile community from obscurity.

This massive airship factory is so large that it has its own indoor weather.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

Soaring over the Niagara Whirlpool since 1916.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

This dramatic rail curve was once the target of a failed Nazi attack.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Steepest flood safety railway in the entire world.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.