There is a short but fun hike up a peak called Bald Knob near Moultonborough. It's one of my favorite quick hikes, and the views from the summit (1800 ft) are amazing - you end up looking south across Lake Winnipesaukee. The parking area is just off Rt. 171 near the Moultonborough/Tuftonborough town border.
"So I was sitting in my cubicle today, and I realized, ever since I started working, every single day of my life has been worse than the day before it. So that means that every single day that you see me, that's on the worst day of my life."
--Peter Gibbons (Office Space)