Manua Kea State park, Always in hawaii. observatory hawaii - Google Maps New riddle follows in a moment.
-9.428,160.054789 - Google Maps Honiara International Airport (IATA: HIR, ICAO: AGGH), formerly known as Henderson Field, is an airport located on Guadalcanal Island in the Solomon Islands.
Fucine Lake Italy. First attempted draining by the emporer Claudius and successfully drained by Franz Mayor de Montricher in the 1800's. I'll post in a moment.