The former broadcast site has been reimagined as a museum about the medium.

Built around 1845, this house was occupied for 100 years, serving as a home to a prosecuting attorney, a Union Civil War general, and a wealthy socialite.

This unassuming home was once “grand central station” for the Underground Railroad.

Inside, ancient treasures. Outside, modern contradictions.

A real flying saucer, contracted by the U.S. Air Force.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

A headstone tells the sad story of a lost little boy and his pet dog.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

This bridge uses an inverted bowstring truss and is believed to be the only of its kind in the United States.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

A county library in rural Ohio houses one of the finest mineral collections in the world.

The oldest county library in the United States.

Halloween spirit is alive and well in this small town, where residents race motorized caskets in a yearly tradition.

Train fans from all over flock to this railroad viewing park where three lines converge.

Evidence from a brutal 1880s murder is on display at this former infirmary house.

Ernest Hemingway wrote a good portion of "A Farewell to Arms" while living with the parents of his second wife, Pauline Pfeiffer.

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

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

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.

The centerpiece of the Delta Blues Museum is a wooden sharecropper’s cabin that once housed a titan of blues music.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.