Food and Games. Landfill Bus Tours. WM Trucks. Guided Nature Walks. High Acres Open House is an educational event that demonstrates how the landfill and recycling center operate from landfill construction and design to renewable energy production. Attendees have the opportunity to talk with all of the entities that work in conjunction with the landfill including engineers, contractors, consultants, regulators, vendors and elected officials. There is no need to sign up or register.