A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

This underground holding cell was forgotten for over a century and rediscovered in the 1960s.

A unique collection of military history dating back to the American Revolution.

The childhood home of a Hollywood legend.

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

Once home to more than 50 displays of freshwater fish.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 was denounced by many—including Lincoln's own son.

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

This outdoor exhibit features a historic wooden dam once used to help boats navigate the Ohio River.

Housing the history of a small Ohio town that is known to some as the pottery capital of the United States.

What started as a display of antique hearses has grown into a museum exploring the history of the funeral industry.

If you want to build a better mousetrap, first consult this small museum's massive collection of trapping tools.

Known as "The Dome" this is the world's largest open air geodesic dome.

Dozens of striking Indian symbols cover the second-floor hallways of this rural courthouse.

The final resting place of one of the most iconic musicians of the '80s.

A small wall and marker are all that remain of this historic canal tunnel.

Home to several unusual artifacts, including a huge painting of George Washington.

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.

Smoky, also known as "Yorkie Doodle Dandy," was a four-pound hero of World War II.

A storybook church made from a mesmerizing medley of multi-colored stones.

The charming collection celebrates a small Ohio village's Finnish roots.

Historical structures and natural wonders await visitors to this preserve.

This campus museum commemorates a national tragedy.

One of Cincinnati's greatest fighters once trained at a now defunct gym in this Over-The-Rhine neighborhood.