mountains
Georgia
Sierra Leone
aurora borealis
skiing & snowboarding
countryside
Mackenzie
Marshall Islands
Superior
Antarctica
islands
Martinique
high altitude
South-America
remote
French Polynesia
🔍
astronomical observatories at Binz, Switzerland
Urania Sternwarte
9km
wikipedia
website
Eschenberg Observatory
26km
wikipedia
website
Bülach Observatory
27km
wikipedia
website