Blenheim has attracted 80,000 people as it displays garden lights for the first time and extends full opening for the first time over Christmas.
Longleat is holding its third Festival of Light Chinese lantern show, which is the largest in Europe.
National Trust properties including eg Hickling Hall, Trelissick, Wallington, Corfe Castle and Kingston Lacy have light events this year.
Kew has 60,000 lights over eight installations across one mile of trails, which includes the Hive sculpture.
Westonbirt has an enchanted Christmas light event, while Syon Park has an enchanted woodland lighting event for an eleventh year.