Gucin Gaj, Palace and memorial garden in Stary Służew, Warsaw, Poland.
Gucin Gaj is a palace estate in Stary Służew featuring a neoclassical manor house, mature fruit trees, and landscaped grounds. Below the surface lies a 60-meter brick tunnel with a vaulted ceiling and distinctive niches that inspired local stories about Masonic connections.
The manor house was built between 1817 and 1830 by Stanisław Kostka Potocki in the English landscape style. After Potocki's death, his widow Aleksandra established a memorial garden with trees and obelisks donated by prominent figures in Polish society.
The name comes from Gucin, a former village on this site, and Gaj, the Polish word for grove. Visitors can experience the romantic pathways and ancient trees that still define the landscape today.
The grounds are open to visitors for walking through the historic gardens and paths at a leisurely pace. The underground tunnel can sometimes be visited with proper permission and guidance, depending on conservation and safety conditions.
The maze of niches in the brick corridor earned the site its nickname 'Masonic tombs,' though their actual purpose remains a mystery. Today, bats use the stable underground structure as a winter roost.
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