St. Vitus Cathedral.

One of Central Europe's most important religious buildings is St Vitus Cathedral. It contains religious images, burial chambers and the Czech crown jewels are kept there. The original cathedral dates back to 925. The actual building of the great cathedral was only completed in 1929, and has been under construction throughout the previous millennium. The reason is the many wars and fires that have ravaged the structure.

The cathedral is also known for its mosaic at the southern entrance, the Day of Judgement. This is made of a million pieces of stone and glass! Walk up the 287 steps to the top of the cathedral's main tower for a great view of the city.