Busch Gardens in Williamsburg / Virginia is rated the most beautiful theme park and it is really stunning. That's why I spent two days there on 30/08 and 31/08. The park is themed in different countries of Europe in the 17th century: England, Scotland, Ireland, France, Italy and Germany.
In Germany you can celebrate Oktoberfest and find the tallest inverted coaster in the world, Alpengeist. In Italy you can listen to the San Marco Singers and in Ireland watch a dance show, Celtic Fyre. The music in every part of the park is well taylored to the respective country. The theming is perfect and you can really talk of theming here contrary to the Six Flags parks. The park reminds me of Europa Park in Germany.