The eighteenth-century Pyramid in the Catherine Park of Tsarskoe Selo has undergone full restoration and regained its corner columns and the gravestones of Catherine II's dogs.

Located by one of the Swan Ponds between the Marble Bridge and the Turkish Bath, the eighteenth-century pavilion was built by architect Charles Cameron at the behest of Empress Catherine II as a typical construction for romantic parks in the late eighteenth century. It was inspired by the now demolished Vanbrugh Pyramid in the Stowe Gardens which was, in its turn, inspired by the ancient pyramid of Cestius in Rome.

Cameron's design of 1782 replaced the 'pyramidal gazebo' of 1770-72 by Vasily Neelov. The old Egyptian style of an ancient mausoleum was chosen because three of Catherine II’s favourite Italian Greyhound dogs—Tom Anderson, Zemira and Duchesse—were buried behind the pavilion. Their original white marble gravestones with French epitaphs have not survived and therefore are reconstructed based on old drawings, photographs and historical descriptions.

The epitaph for Zemira was penned by Louis Philippe, Comte de Ségur (1753–1830), a French diplomat and historian. It reads, Here fell Zemira, and the saddened Graces must scatter flowers upon her grave. Like Tom, her ancestor, and like Lady, her mother, she was constant in her inclinations, light on her feet, and had only one fault—she was a little angry; but her heart was kind. When one loves, one fears all, and Zemira so loved the one whom the whole world loves as she did! How can one be calm amid the rivalry of so many nations? The gods, witnesses of her tenderness, should have rewarded her fidelity with immortality, so that she could always remain by her mistress' side.

Made of brick and faced with trimmed granite, the Pyramid had four grey marble columns on pink marble pedestals at the corners. Three columns and a pedestal were lost during the Nazi Invasion of 1941-45. One ruined column survived and served as a reference for the reconstruction of the lost ones. The three surviving pedestals are restored, the fourth is rebuilt based on their dimensions.

The vaulted room inside the pavilion has wall niches where Catherine II displayed her collection of ancient marble urns and vases.

A partial restoration of the Pyramid was carried out in 1995, conserving the structure and leaving the lost parts unrestored. The restoration of 2024-26 is based on the previous work and research and accomplished by specialists from the company Pik.