If you haven't already, enroll in the Smart Traveler Enrollment Program (STEP) to can keep you informed in the event of an an emergency while abroad.
Find out the current travel condition(s) for your destination(s).
As a reminder, your U.S. Passport must remain valid for six months following the your scheduled return from international travel.
The EU provides tons of information to help keep travelers informed on everything from document requirements to travelers' rights.
The CDC provides one stop access for travelers to obtain information on specific destinations, health notices, highlights, advice, and much more.