WATERVILLE — Spectrum Generations Muskie Center will offer the following day trips:

* Norlands Living History Center in Livermore on Saturday, Sept. 15.

* Owls Head Museum in Owls Head will be Wednesday, Sept. 19.

* Penobscot Narrows Observatory at Fort Knox in Prospect is set for Wednesday, Sept. 26.

To sign up or for more information, call 873-4745.