While traveling, wear what is comfortable. For day wear, wear what you would at home.
They wear normal clothes but some people wear Santa hats Santa clothes or elf's hats
Go there by plane
"T" shirts and shots would be a good choice
Germany promised support to Austria.
Austria-Hungary, Bulgaria, Germany, Ottoman Empire
Just go to google and type in Austrian pictures.
culter,food,sights
Ulm is a city in Germany on the Danube River. You can travel to Austria by train, bus. car, or a combination. Or you could go from Ulm to a larger German town and fly to Austria.
There are supposed to wear them in Germany, Austria and Switzerland but this is just a stereotypical image of such countries. In truth these outfits are just the traditional wear of these North Europeans, like Kimonos for Japanese people or ponchos and hats for Mexicans.
In June 1961 JFK met sovjet prime minister Nikita Krushchev in Vienna, Austria.
Austria is landlocked, so it cannot be reached by ship. From the US you could fly to Austria, or go by ship to another part of Europe that has a coast, and then go overland to Austria. That would take a few weeks, depending on the type of ship and where it landed in Europe, so it is hard to give a definitive answer.
go to austria and come back