25 Best Things to Do in Prague (Czech Republic) Explore the Old Town Square. Source: Andrew Mayovskyy / shutterstock. Stroll across the Charles Bridge. Source: TTstudio / shutterstock. Golden Lane – Playground for Alchemists. Investigate the KGB Museum. Admire the Lennon Wall. Learn about Communism. Walk the backstreets of Mala Strana. Watch the Changing of the Guard.