American tourists are banned from Europe, but not these countries
The good news, at least for Americans with wanderlust: U.S. passport holders can still visit multiple countries in the Caribbean, many states in Mexico (though its land border remains closed), and several farther-flung locales. Canada remains on the no-entry list.
OMAN REOPENING FOR TOURISM: EVERYTHING YOU NEED TO KNOW
Oman is officially reopening borders for tourism on December 10, 2020 allowing travelers from 103 countries to enter without a visa for a period of 10 days. Countries now permitted to visit for tourism include Canada, the USA, the UK, most of the EU and many more (full list below)
Bosnia and Herzegovina Reopening For Tourism Guide
On July 16, 2020 , the government of Bosnia and Herzegovina lifted travel bans on most countries and started officially reopening the nation for tourism. Now as of mid-2021, entry for tourism is easier.