The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

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

This structure among the trees was the result of divine inspiration.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

This small cemetery is all that remains of Atlanta's first Black communities.

On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

From the Difference Engine to the Cray-1, all under one roof.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

Together they left this world, and together they shall remain for all eternity.

This Lady Liberty is the oldest replica of its kind outside the state of New York.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

It was once the base for a series of domestic terror attacks.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.