Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

An abandoned town is hidden in Great Smoky Mountains National Park.

After a battle with Congress, Webb C. Hayes installed the gates of the White House on the fence of his father's Presidential Library and Museum.

This Ohio cemetery is home to the remains of many Confederate officers and soldiers who were once held nearby as prisoners of war.

A gas station has taken the place of the home of the 19th American President.

One of the world's largest hedge letterings spells out this arboretum's name over 2,040 feet.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

An ode to "The Queen of Appalachia."

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The famous winding walk at Chartres is surrounded in mystery and myth.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

This former factory has deep ties to rubber production in Akron.

For decades, this waterfall remained hidden because of an artificial dam.

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

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

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A historic freight system that found the true gold rush is in tourism.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

The wooden airship was the largest flying boat ever built.