Arenal Volcano, Costa Rica
It doesn't get more iconic than Arenal Volcano, the towering pyramid of a mountain rising 5,358 above sea level over Costa Rica's Lake Arenal. The still-active volcano's last major eruption was in 1968, and it destroyed the small town of Tabacón. Today it can be see spitting out rocks and other eruption debris.
Google Earth coordinates:
10° 27'50.12" N, 84° 45'31.39" W