Vitamin C and other water-soluble vitamins are really hard to OD on. Your body will excrete them out if you have too much of them in your blood. You CAN however, OD on certain fat soluble vitamins like Vitamin D. That is why Eskimos never eat polar bear livers...they are literally toxic to humans.
Baxter Springs is a city in Cherokee County, Kansas located along the Spring River. As of the 2010 census, the city population was 4,238.
Penny Hot Springs is a naturally-fed hot springs located along the Crystal River. It's free and just requires you to pull off the road and hike down to the river. This Colorado Hot Springs is just past Carbondale, CO and close to Aspen and Snowmass.