Piazza della Rotonda the "Iseum Campense", a shrine to the Egyptian god Isis that stood to the southeast of the Pantheon. It was rediscovered in 1374 underneath the apse of the nearby Basilica of Santa Maria sopra Minerva. In the mid-15th century, the obelisk had been erected in the small Piazza di San Macuto some 200 meters east of the Pantheon, where it remained until its 1711 move to the Piazza della Rotonda. It is still called the "Obelisco Macutèo" after its previous location. Piazza della Rotonda The Piazza della Rotonda is a piazza (city square) in Rome, Italy, on the south side
Sant'Agnese in Agone plan but made adjustments; on the interior for instance, he positioned columns towards the edges of the dome piers which had the effect of creating a broad base to the dome pendentives instead of the pointed base which was the usual Roman solution. His drawings show that on the façade to Piazza Navona, he designed curved steps descending to the piazza, the convex curvature of which play against the concave curvature of the façade to form an oval landing in front of the main entrance. His façade was to have eight columns and a broken pediment over the entrance. He