If borders open for fully vaccinated USAers by June 2021 (as expected), what "tourist" attractions will be open?
I'm planning on going to Switz. in Aug., museums opened in March. Pre-Covid my main activity when I visited Switz. was to ride trains and see the magnificent scenery, trains are now running normal schedules and the scenery is still there, so if they let me in without quarantine, I'll be happy.