I've found that having something of scale, particularly people, in my landscape photos really helps you appreciate the scale of what you're seeing. Quiz time, did you see the people on top of the bluff in the 5th picture!?
We recently visited the Mines of Spain in Dubuque, Iowa. The state recreation area covers 1,432 acres and includes a diverse landscape and abundance of wildlife. The history of the park is as interesting as the scenery it provides. Evidence suggests that Native Americans were in the area as far back as 8,000 years ago. Julien Dubuque settled on what is now Iowan soil in 1788, he is credited as the first European settler to do so. Dubuque received a land grant from the Governor of Spain in 1796 giving him permission to begin working the land owned by Spain. This transaction also gave birth to the area now known as the "Mines of Spain Recreation Area."
It was our first time visiting and decided on the short Horseshoe Bluff trail since this was our first stop of the day. The trail includes a small network of trails that traverse 3 different levels with unique views. Highly recommend visiting if you're ever in the area.