This article originally appeared in Travel+Leisure.

Editor's note: Those who choose to travel are strongly encouraged to check local government restrictions, rules, and safety measures related to COVID-19 and take personal comfort levels and health conditions into consideration before departure.

As the fallout of the coronavirus pandemic  put international travel on hold earlier this year, options Americans looking to add another stamp to their passport are thankfully increasing.

Even though COVID-19 is far from over in the United States, the State Department lifted its Level 4: Do Not Travel advisory and returned to determining its advisory levels on a country-by-country basis. To provide greater peace of mind to travelers, many airlines and airports have been started offering on-site rapid COVID-19 tests.

Below is a list of countries currently accepting American travelers along with each destination's travel protocol and their advisory level determined by the State Department. Countries that are accepting American travelers but require visitors to quarantine for two weeks upon arrival are also listed separately below.