Cohocton
Niger
nordic skiing
waterfalls
archaeology
Bonaire, Sint Eustatius and Saba
Canada
outdoor
Iceland
Velero
Guadeloupe
remote
Africa
high altitude
kids' activities
Asia
🔍
astronomical observatories at Zollikerberg, Switzerland
Urania Sternwarte
6km
wikipedia
website
Bülach Observatory
28km
wikipedia
website
Eschenberg Observatory
29km
wikipedia
website