📜 National Historic Landmark and archaeological site in Avella, Pennsylvania. 🔍 Features a rock shelter with evidence of human habitation dating 16,000-19,000 years, possibly North America's oldest and longest continually used site.🌍 Explore the oldest known site of human habitation in North America.📜 Discover a wealth of artifacts from multiple prehistoric cultures.🚶 Step back in time at replica 16th and 19th-century villages.👨‍👩‍👧‍👦 Enjoy a day-long adventure for families with interpretive villages.🗓️ Closed seasonally from late November to April.💰 Adults $15, Seniors $14, Children 6-17 $7, under 5 free. Discounts for students, military, and members.🕒 Open seasonally May to November 23. Hours are 10 a.m. to 4 p.m., days vary by season (weekends in May/fall, Wed-Sun in summer).🅿️ Free parking available on-site at the Meadowcroft Visitor Center.