newmexico.org is a good place to start - the NM Tourism Dept website.
santafe.org is the city's website
santafeartsandculture.org/ will tell you what's on here.
santafenewmexican.com is the local newspaper (if you're here on a Friday pick up the paper for its weekend guide, Pasatiempo)
- Visit a pueblo - San Juan Pueblo, between Santa Fe & Espanola has its celebrations on Dec 24 & 25, called Matachines. You'll never see anything like it!
- The Santa Fe Train will be c-o-l-d ;-}
- Go for a hike at Tsankawi, north of Santa Fe (
http://www.nps.gov/band/planyourvisit/tsankawi.htm)
- Be sure to visit Museum Hill on the Old Santa Fe Trail - all your culture gathered in one place!
You'll have a great time, and good for you to look for interesting stuff to do with your crew.