Take a trip without every leaving the classroom. The following sites offer some suggestions.
Open NH Website
New Hampshire e-Learning for Educators is a project of Office of Educational Technology at the New Hampshire Department of Education, originally funded through a multistate Ready to Teach grant.
Ed Technology Specialists
Midwest Teachers Institute
Professional Development Institute
Advancement Courses
EdX offers free, online, self paced, college coursework for skill building, ELO, or pleasure.
OpenCulture "The best free cultural & educational media on the web".
Participate Professional development resources (many free), online communities, collaborative opportunities.
Cult of Pedagogy "Pineapple Charts"
"I feel strongly that some of the best professional development available to teachers lives right inside the walls of our schools, and if we could watch each other teach more, we would all grow exponentially."
Education World "Using Twitter for Professional Development"
"What if the concept of “colleague” was expanded to include the wider community of educators nationally, and even internationally?"
Social Media Collection Articles and tips for using social media
A collection of articles and resources for using social media for personal learning and tips for students to manage their online reputations.