temperate
Switzerland
high altitude
Europe
Africa
skiing & snowboarding
remote
El Salvador
archaeology
Bulgaria
spa
Cowlitz
Donets
freeride skiing
Aruba
Bhutan
🔍
astronomical observatories at Zürich, Switzerland
Urania Sternwarte
1km
wikipedia
website
Bülach Observatory
23km
wikipedia
website
Eschenberg Observatory
27km
wikipedia
website