Harrison, Nebraska

Agate Fossil Beds National Monument

Located on the Niobrara River in northwestern Nebraska, the Agate Fossil Beds and its surrounding prairie are preserved in a 3,000 acre National Monument. Once part of "Captain" James H. Cook's Agate Springs Ranch, the nearby beds are an important source for 19.2

Sioux County Museum

Welcome to the Sioux County Museum Complex. Four Buildings contain artifacts representative of the character and history of Sioux County from its earliest days into the 20th century.

Main Museum

Toadstool Geologic Park

Sioux County Circle Tours

Sioux County offers three interesting and educational circle tours. Maps are available at various Harrison businesses.

Monument Tour

Oglala National Grassland

One of only 20 national grasslands managed by the USDA Forest Service, the Oglala National Grassland is a virtual ocean of prairie grasses, stretching from horizon to horizon over nearly 95,000 acres. The Grassland is one of the world'