Located in the last segment of the long green strip that connects the railway station to the old town of Zagreb, Trg Nikola Šubić Zrinski, also known as Zrinjevac, is said to be one of the most beautiful and romantic parks in the Croatian capital. It is also home to an unusual relic.

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In 1884, the physician and amateur meteorologist Adolf Holzer built a meteorological column on the north side of the square, outfitted with scientific instruments to record temperature, humidity, and air pressure over time. 

Made of Istrian marble and designed by architect Hermann Bollé, this landmark reflects the habit of notable families to gift precious items to the city. But Holzer’s goal went beyond simply displaying his benevolence or gaining prestige. The data collected were used for his studies, which were viewed as revolutionary at the time, focused on better understanding the impact of a changing climate on human health. 

Today, more than 130 years after its construction, these extremely accurate, German-made instruments are no longer used for official measurements, but they continue to do their jobs, and people often stop by to check in on the local conditions. The weather station in Zrinjevac remains a valuable attraction for those who love to discover the most unusual places in the city.