Interior of the Temple with Phidias’ Statue of Zeus - INTERIOR OF THE TEMPLE WITH PHIDIAS’ STATUE OF ZEUSOlympia (Greece), Temple of Zeus (built by Libon of Elis, 465 BC). “Interior of the Temple with Phidias’ Statue of Zeus”. (Reconstruction). Woodcut by Georg Rehlender (born 1845) From: Oskar Jäger, Weltgeschichte, vol. 1 Geschichte des Altertums, 6th edition Bielefeld and Leipzig 1903.
The Baths of Diocletian in Rome - reimagined. The Baths are on the Viminal, the smallest of the Seven hills of Rome, just inside the Agger of the Servian Wall. They served as a bath for the people residing in the Viminal, Quirinal, and Esquiline quarters of the city.The Baths were commissioned by Maximian in honor of co-Emperor Diocletian in 298, the same year he returned from Africa.
A reconstruction of the Weiyang Palace of the Han Dynasty in Xi'an, Shaanxi Province, created on the basis of aerial views by Yang Hongxun. This was the largest palace ever built on Earth, covering 4.8 km² (1,200 acres), which is 6.7 times the size of the current Forbidden City, or 11 times the size of the Vatican City. Today it is located in an open field and little remains of the former palace.
A Zhou dynasty palace. The Zhou era was the final period of feudalism in China, after which the land would become largely unified as an empire under Qin Shi Huangdi. I don't know much else about this building in particular but recreations of ancient Chinese buildings are hard to come by. Approximately 700 to 400 BCE.