Join Lowell National Historical Park for Lowell Walks, a series of guided, 90-minute tours taking place throughout historic Lowell! Reservations are not required, and all tours are FREE. Tours begin at the NPS Visitor Center at 246 Market St. Please arrive 10 minutes before the tour starts. Dress for the weather and remember to bring water! Free parking is available at 350 Dutton St. in the Hamilton Canal Innovation District garage. This week: Founding of Lowell with Dick Howe. Learn about the city’s founding and how circumstances led to the Lowell of today.