>> RELATED: 5 badass planes at the Air Force Museum
The sprawling complex has more than 360 aerospace vehicles, missiles on display, and even more projects in the process of being restored.
>> RELATED: Memphis Belle to go on display at Air Force Museum in 2018
And the best part? Admission is FREE.
💎The Great Serpent Mound
Aerial views of the oldest surviving animal effigy mound in the world.
Serpent Mound is largest snake effigy in the world — and one of only two effigy mounds in Ohio.
>> See for yourself why Ohio’s mysterious Serpent Mound is a must-visit place
It's worth the 90-minute drive to see this preserved ancient earthwork that stretches 1,330 feet and depicts the form of an undulating serpent with an oval shape at the head.
>>10 things to know about some of Ohio’s ancient Indian mounds
💎The Golden Lamb
The origins of the historic Golden Lamb hotel date back even further than two centuries to 1803 when New Jersey native Jonas Seaman paid $4 for a license to “keep a house of Public Entertainment” on Broadway in the brand new village of Lebanon.
The Golden Lamb, located at 27 S. Broadway St. in Lebanon, is the receipent of a great number of accolades.
In 2015 it became Ohio’s longest continously running business, as it was founded in 1803.
>> RELATED: The Golden Lamb celebrates 200 years while ringing in modern age
More recently, The Golden Lamb was picked as Thrillist's most iconic restaurant in Ohio, which is not quite the same as the oldest.
>> RELATED: This Miami Valley restaurant was named ‘Most Iconic’ in the state of Ohio
Now, it's being recognized for "a unique dining experience, complete with antique furnishings and historic rooms upstairs where famous individuals such as Harriet Beecher Stowe, Charles Dickens and U.S. Presidents have stayed," the Only in Your State article said.