Europe's Schengen Area Travel Zone Map
Here are the countries U.S. citizens can travel to using an ETIAS visa waiver:

Here are the countries U.S. citizens can travel to using an ETIAS visa waiver:
Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Slovakia, Slovenia, Spain and Sweden
Iceland, Liechtenstein, Norway and Switzerland
Andorra, Monaco, San Marion and Vatican City
Bulgaria, Croatia, Cyprus, and Romania