* On the tour, you will see the Konigsberg fortifications built in the 19th century and learn how they were used: the Wrangel and Don towers, the Grolmann and Oberteich bastions, the Kronprinz defensive barracks, the Royal, Rosgarten, Brandenburg Gates, see Fort 3, visit 5th and 11th- y. Fort 11 "Denhoff" is the most surviving of the 15 defensive structures of the former Konigsberg fortress (it was built in 1877-1881). The original fortification mechanisms from the time of its construction are perfectly preserved and in operation here. Fort 5 (Museum of Military Glory) is a military historical memorial complex, one of the most powerful forts in Konigsberg, built in 1878. Here you can view an exhibition of military equipment, get acquainted with the history of the creation of the fort belt and military-historical expositions. Fort 3 (King Frederick III) was built in 1874-1879 and was the first and largest structure to protect the fortress city of Konigsberg.