In Krakow: Wawel Royal Castle and Wawel Cathedral,St. Mary's Church, the Cloth Hall, the Tower Hall Tower. Some interesting monuments of Silesia you can find here: polishcastle.uk
The Niemodlin Castle definitely worth to visit! In Warsaw: Palace of Culture and Science, City Walls, King Sigismund's Column, Krasinski Palace, Presidential Palace. The concentrantion camps in Auschwitz
What are the most famous polish immigrants of the 1800's
One famous Polish composer is Frederic Francois Chopin.
"Polonez" is a famous Polish dance, as well as "mazurka". "Polka" is a Czech dance, not a Polish one.
JAN MATEJKO.
According to several web listings of famous people of Polish extraction yes.
For the most famous of these, look for the Warsaw Ghetto.
Copernicus
Perogi, polish Sausage, Keilbasa! :)
Rysy is the tallest mountain in Poland.
Otylia Jedrzejczak is a famous polish olympic chamion, the best!
Most probably there are. The composer Chopin was Polish.
Frederic Chopin is a famous Polish composer. He is famous for his piano compositions.