See all Attractions in Hradec Kralove Hradec Kralove for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Jez Hučák About Jez Hučák [11]. This remarkably preserved art nouveau hydroelectric power station, built between 1908 through 1911, sits on the banks of the Elbe river. Its locks allocating water flow along the Elbe are still in use today. Add to Wish List