25 things to do in Boston for under $25

6. View the official lighting of the Boston Common tree When the temperatures begin to drop, it means the holiday season is quickly approaching. Head to the Boston Common on Dec. 4 from 6-8 p.m. to watch the lighting of Boston’s official Christmas tree and trees throughout Boston Common, the Public Garden, and Commonwealth Avenue Mall by Mayor Thomas Menino. Join the mayor with a carol sing-along, Santa himself, and more. Free.
6. View the official lighting of the Boston Common tree

When the temperatures begin to drop, it means the holiday season is quickly approaching. Head to the Boston Common on Dec. 4 from 6-8 p.m. to watch the lighting of Boston’s official Christmas tree and trees throughout Boston Common, the Public Garden, and Commonwealth Avenue Mall by Mayor Thomas Menino. Join the mayor with a carol sing-along, Santa himself, and more. Free.

(Globe Staff Photo / Dina Rudick)