This document summarizes important architectural and archaeological sites from the Mauryan Empire in India, which dates from 322-185 BCE. It discusses palaces like the remains in Pataliputra. It mentions Buddhist caves like the Barabar Caves and Nagarjuna Caves that contain Ashokan inscriptions. Stupas commissioned by Ashoka like the Great Stupa at Sanchi and Dhamekh Stupa at Sarnath are noted. It also summarizes the Pillars of Ashoka erected throughout India and Rock Edicts engraved by Ashoka expressing his conversion to Buddhism.