Explore Karlštejn Castle with Stanza's GPS-triggered offline audio guide.

Karlštejn Castle is a Gothic castle in the Czech Republic, founded by Charles IV. It served as a place for safekeeping the Imperial Regalia, Bohemian Crown Jewels, holy relics, and other royal treasures.
The first major courtyard, where the castle's administrative life happened and where the brutal Hussite Siege was resisted.

The 1422 Hussite Siege challenged these walls with a gruesome tactic: biological warfare. Attackers launched filth and carcasses into the castle, yet the defenses and the crown jewels remained secure.
A critical engineering stop featuring the 70-meter deep well that was once a state secret and the treadwheel mechanism used to draw water.

Dark legends surround the creation of the castle's well. It is said the miners were silenced to protect the secret of the reservoir, which could hold enough water to last for months.
Introduction to the main residential building of Charles IV, highlighting the transition from defensive to palatial architecture.

The sharp stone edges and precise window shapes visible today are the work of 19th-century architect Josef Mocker. He sought to restore the castle to a 'purist' Gothic ideal.
Exploring the interior of the palace, including the grand hall where the court gathered and the private rooms of the Emperor.

This historic cabinet features vibrant painted coats of arms representing the noble families who protected the castle. These heraldic symbols were essential markers of status and lineage in the medieval court.
The elevated bridge connecting the Palace to the Marian Tower, illustrating the castle's unique security layout.

This arched stone bridge is a physical threshold between the royal living quarters and the sacred towers. It highlights the castle's design as a series of increasingly exclusive security zones.
Download the Stanza app to unlock all 26 stops and full GPS-guided navigation.