The most difficult Prague riddles

The Monastery was tranformed into the Memorial of National Literature (Cz. Památník národního písemnictví) in 1953. The Strahov Library contains over 200,000 volumes, including over 3,000 manuscripts, 1,500 first prints, many incunables and "early printed books" stored in a special depository. It contains the near-whole collection of western Christianity literature, from its begginings to the end of XVIII century.

Troja Palace (Czech: Trojský zámek) is a Baroque palace located in Troja, Prague's north-west borough (Czech Republic), of which name derives from Homeric Troy. It's near to Prague's Vltava River and Saint Clare's and Salabka vineyards. It was built for the Counts of Sternberg from 1679 to 1691. The palace is owned by the city of Prague and hosts the 19th century Czech art collections of the City Gallery.

Horse (Czech Kůň) is a sculpture of the Czech artist David Černy made in 1999, located in Lantern Palace, Wenceslas Square 38, Prague. The Palace was built by Vácslav Havel, the grandfather of Václav Havel, the later president of the Czech Republic. This statue is supposed to symbolize the Czech tolerance to touching their delicate national subjects and the high level of Czech autoirony. The statue's installation was supported by the Palace's owner and Václav Havel's sister-in-law, Dagmar Havlová.

Piss (Czech: Čůrající postavy) is an outdoor 2004 sculpture and fountain by Czech artist David Černý, installed outside the Franz Kafka Museum in Malá Strana, Prague, Czech Republic. The Prague Post ranked Piss number one in their article, "Top 10 strangest statues in Prague", in which Ada von Kayser described the work as "both controversial and amusing".

Vltava is commonly referred to as the Czech national river.