A Schengen visa is a tourist visa that allows travelers to visit countries in European Union.
Schengen tourist visa allows a person to visit countries like Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, and Switzerland.
If you want to visit the Eiffel tower or experience the best chocolates in Belgium then the Schengen visa is what you require.