Established by John Water Riggs, the Riggs Arboretum at Waterloo is perhaps the oldest and least known arboretum west of the Mississippi River.
The property is in essence a large (10 acre) grove of trees, most ranging in age from 75 to 100+
Kingman's Riverside Park is the only island park in Kansas and is complete with a walking path, baseball fields, horseshoe pits, swimming pool, two play areas, fairgrounds, rodeo arena, sand volleyball and fishing pond.
The Kingman County Courthouse is also on the National Register and is worth a look. The stairs are massive, like many of the old courthouses, but these are really different. The railings are made of one piece of limestone that's probably close to 20 feet long and at least 12 to 18
Donald R. Green was originally from Kentucky but learned to ride a stage coach while living in Montana. Hearing about how people were moving westward through Kansas during the late 1800s beyond where the railroads ended, he saw a financial opportunity.