polar
Russia
waterfalls
Oceania
Svalbard and Jan Mayen
North-America
Guinea-Bissau
Colombia
spa
Baja California Peninsula
temperate
Argentina
Limmat
archaeology
outdoor
mountains
🔍
astronomical observatories at Zürich, Switzerland
Urania Sternwarte
1km
wikipedia
website
Bülach Observatory
23km
wikipedia
website
Eschenberg Observatory
27km
wikipedia
website