Prague, cathedral and palace, astronomical clock, Karl Most bridge, Kafka museum, different quarters, different styles of buildings, synagogues, great lunch in Jewish quarter at
Cesky Krumlov, go back into the middle ages and wander around here
National Park in north, Národní Park with natural bridge
Cross the border into Germany to the Saksische Schweiss (‘Sexy Swais’), amazing rock formations, Felsenburg ruins on those spires.
Eat and drink: local beers