Earlier quoted context omitted.
You do have to be careful and read the fine print. This year, I was turned away at the Belarusian-Lithuanian border (US citizen) because I had read on that Wikipedia page that it was Visa free. In fact, it is only visa free if you arrive via the Minsk airport. Fortunately I was only driving through a tiny part of Belarus on my way to Poland so it was a simple matter of another 30 minutes or so of driving to enter Pol…
To be fair, visa-free entry into Belarus for up to 30 days is a completely new thing[1]. Unlike most visa-free regimes, it's not driven by any international agreements, but rather by a Belarusian initiative to promote tourism in the country. Therefore, they can set their own requirements, and it's still not possible to take a 2-hour train from Vilnius to Minsk without a visa. The entire program can be cancelled at an…
Edit. I keep forgetting that Ukraine now does have visa free travel with Schengen states.