Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

These five houses were built for the 1933 Chicago World’s Fair.

This lone survivor of a regional franchise still slings delicious burgers and colossal servings of fries.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This church doubles a museum dedicated to Norwegian heritage.

The tragic death of 19-year-old Mabel Tainter in 1886 led to the construction of this unique Victorian-era theater in the northern woods of Wisconsin.

A cemetery where many of those buried had a flair for the dramatics.

The longest structure of its kind ever built in Michigan.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A monument to one of the few Olympic flames ever to be lit outside of the host city.

A statue honoring 44 continuous years of greeting passing ships.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

An early-19th-century hotel with a past that is steeped in the Civil War.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

This double-arched masonry highway bridge is the only structure of its kind in Minnesota.

This iconic water tower and failed bandstand is open for panoramic views once a year.