 Borst Home Built in 1864 at the site of the toll ferry crossing at the confluence of the Chehalis and Skookumchuck rivers, the Borst Home fulfilled a promise by Joseph Borst to his young wife Mary to build her the finest home along the Washington extension of the Oregon Trail.The original home is open to tour as part of the large Borst Park complex along I-5 exit 82.Carnegie Library is located in Washington Park and was originally built in 1913 followed by a remodel in 1977–78.