Visit Cairnwood Estate, Bryn Athyn Cathedral, and Glencairn Museum to experience their beauty at night. General admission is free and additional activities are available for a small fee. Parking is free throughout the Historic District. Children ages 12 and under must be accompanied by an adult. It is important to note that no backpack style baby carriers are permitted. Photography for private use is allowed; however, no flash, tripods, selfie sticks or videography is permitted.