Wireless tower locator - enter your city/state and get maps & info on all of the FCC registered towers in the area. Not sure why you'd want to do this but here it is all the same.
New Hampshire's new Coho Trail - ultimately it will be a 159 mile long trail and so far 140 miles of trail are open. My favorite listed feature is "a natural, bubbling jacuzzi" although I haven't discovered the location yet.