As I take a break from the AT in Maryland, at least in 1974, let me blog a bit about volcano tourism.
If you are in Iceland, go check out the live volcano. Not in Iceland, watch this live stream from YouTube.
At this moment (11 am eastern time) the lava is flowing profusely.
To learn more about this fascinating subject try scholar.google.com.
In the meantime, here is a bubbling hot sulphur spring in St. Lucia.