In the late 1500s Poland and Lithuania joined to create the Commonwealth, a remarkable, if flawed, experiment in constitutional monarchy that would last more than 200 years. Its legacy of religious tolerance and representative republicanism is strangely overlooked in American history books - and I would guess in other histories as well.
One of the chief economic engines of the Polish-Lithuanian Commonwealth was the Wielizcka Salt Mine, an amazing wonder delved over 700 years. To visit Wieliczka is to be amazed at the artistry of salt sculptures and impressed by the sheer cheesiness of all the salty dwarves. So many salty dwarves. Or maybe they're gnomes...
Finally, let's grab some friends and make pierogis!