Powerland Heritage Park, a 62 acre campus with 13 unique and exciting museums, celebrates the people and power of logging, agricultural, transportation, and utilities industries that drove Oregon history from the 1800's to the mid 20th century. Home of the Great Oregon Steamup, always the last weekend in July, first weekend in August. Powerland Heritage Park is open April through September from 9 am to 4pm, Wednesday through Sunday. Tours. $6.00 per adult. Children 12 and under free.