A Schengen tourist visa allows ninety days of travel within certain countries - which are they and specifically do include Czech Republic or Switzerland?

The Schengen Area includes the following countries:

Austria, Belgium, Croatia, Cyprus, 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.

Therefore, both the Czech Republic and Switzerland are included in the countries where you can travel with a Schengen tourist visa.