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

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

A full-scale replica of a 1774 colonial settlement in Kentucky.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

How did a massive marine arthropod find its way to landlocked Ohio?

In this relatively flat state the highest point is an honored place.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

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.

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

This 30,000 square-foot museum is home to an extensive collection of art and artifacts that reflect the history of southwest Ohio.

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.

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

Inside, ancient treasures. Outside, modern contradictions.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

A tribute to the artist and activist who created the rainbow pride flag.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

Historical structures and natural wonders await visitors to this preserve.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.