Today I saw a castle. I walked through its various stages of life, from 1100AD or so, right on up to the 20th Century. (Schloss Burg) Yesterday I walked through an archaeological park where a Roman encampment had been dug up, and partially reconstructed. (Xanten)
You just can't do that in America, no matter how hard you try. Also I had un-pasteuriyed cheese, and drove by a chinese restaurant called 'China-man' ...which you also won't see in America.