The US Govt. acquired the Louisiana territory and then later Montana was carved out of it. Thirteen states in total were carved out from the old Louisiana territory. Montana became a state on 9th November, 1889 as the 41st state of US and in 1894 Helena outbid Anaconda to become state capitol, the result of the famous 'War of the Copper Kings'.

Fort Owen State Park is the site of first white settlement in Montana and  the fort was built hereas a regional trade center in 1850. All the furnishings and artifacts are saved in the restored rooms and the site is listed on the National Register of Historic Places.

Walk along the steamboat levee and see the part of the town once called 'the bloodiest block in the west' and also view the ruins of Historic Fort Benton. Created in 1864, Fort Benton became the hub for trade and travels in north-western US and Canada. Many vessels used to dock in its harbor bringing and taking many traders.

At Sluice Boxes only camping is permitted, but no amenities are provided. At least it has a trail going to the Lewis and Clark Forest and Little Belt Mountains. It is located in north central Montana and fishing is permitted on its streams.

Pompeys Pillar National Historic Landmark is a rock that's rising 200 ft above the Yellowstone River. Various markings on the rocks depict that people used to meet, camp and hunt centuries ago. It also has a carving of Captain William Clark's signature and date of 1806 where interpretive tours are also available.

It later became the military HQ. Most of the original buildings still stand and it became the State agriculture experiment station in 1911 and continues so to-day.  Fort Assinniboine Historic Site, Northern Agriculture Research Center was built in 1879 and was the largest military fort west of Mississippi River. Its length was 40 miles and the breadth was 15 miles.