This is an original Northern Pacific Railway "Wonderland 1906" souvenir album. The piece was made by the Northern Pacific Railway in 1906 for their Yellowstone Park line. The album encompasses Yellowstone National Park, Bitterroot Mountains, Columbia River, Northwest Coast and Alaska. There are numerous photographs throughout and a large colored map of Yellowstone as well. The paper cover of the book displays two illustrations, a colored illustration of Yellowstone Falls with the second depicting a bear walking through a grassy field. The cover is marked in green lettering "Wonderland 1906". The album shows good condition overall with some light wear due to age. The piece measures 9 3/4" tall by 6 7/8" wide.