What to Do in Prague When It Rains. 1. Visit a museum. National Technical Museum. The seven-story National Technical Museum near Letna Park has over 20 permanent exhibitions featuring over 60,000 inventions collected since the 1860s. The Transport Hall is among the largest exhibits, showing off the country’s first automobiles, airplanes 7.Terezín Concentration Camp tour from Prague. A tour guide will show you around Terezín Concentration Camp and its most important sites during this trip. Terezín is about 90 miles north of Prague and was founded in 1780 by Emperor Joseph II of Austria and named after his mother, Empress Maria Theresa. Crossing the bridge is a must-do in Prague because of its privileged location, and also because of the views of the river. Charles Bridge @pixabay. 5. Gunpowder Tower. Another must-see in Prague is a visit to the Powder Tower, one of the ancient entrances to the Old Town, which was built in 1475. Other Things to See and Do in Prague 1. See the astronomical clock. Built in the 15th century, this intricate clock in the main square is one of the city’s most popular attractions. Every hour, on the hour, people gather in front of the clock to watch the Procession of the Twelve Apostles. 2. Pruhonice. This is a photo of a cultural monument of the Czech Republic, number: photo by Petr1888 Wikimedia. Pruhonice, a small town, has developed into an unofficial colony of Prague. It is a location to visit outside of the city for more peace and greenery. In Pruhonice, the cost of real estate has dramatically risen during the last ten The first (and best) thing to see in Prague Castle complex is the St. Vitus Cathedral. The biggest highlight in the complex and the most important church in the Czech Republic, the cathedral took around 600 years to be fully completed, and it’s an absolute architectural masterpiece. If you’re in Prague, it’s certainly a must-visit. The following are the main things to see within its confines: 4.1 St. Vitus Cathedral. The beautiful St. Vitus Cathedral (Katedrála Sv. Víta) is the largest and the most important religious building in Prague. 3 Days in Prague: The Best Things to Do. Make the most out of your three days in Prague with this list of must-see things to do. St. Vitus Cathedral is the largest and most important church in TZ2b.