As of Jan. 1, Slovakia is covered by Eurail’s Global Pass, which allows unlimited rail travel in (now) 23 European countries within specific time periods.
Prices range from $630 for the 15-day Adult Saver Pass to $2,049 for a three-month standard Global Pass (can ride every day). Groups of two or more get 15% off, and youths under 26 get 35% off.
Eurailpasses must be bought before arrival in Europe and activated within six months of purchase. Contact Rail Europe (800/438-7245).