Digital borders are here, but not every new European travel requirement has actually started yet. Here is what U.S. passport holders need to know before traveling to the UK, Ireland, and continental Europe.
The confusion is understandable because several systems are being rolled out at once, and some are already active while others are still coming.
Here is the short answer for U.S. citizens:
A great solo travel tip spotted this week on Live and Let's Fly.


