See some of the most beautiful attractions of zagrebs upper and lower town while keeping fit on this 15 hour guided running tour in a small group of no more than eight run by the main square and make your way to the lenuci horseshoe passing the croatian academy of sciences and arts king tomislav square the botanical garden and the national theater the trail then takes you into the forest to sneak into the upper town from the northern side st marks church the croatian parliament l