Final answer:
St. Peter's Basilica, which was commissioned by Pope Julius II and built during the Renaissance period, is an example of Renaissance architecture.
Step-by-step explanation:
Pope Julius II decided in 1505 to demolish the ancient St. Peter's Basilica and replace it with a monumental structure that would mark his legacy and embellish the religious significance of the site. The basilica's construction, led by eminent architects such as Bramante, Raphael, and Michelangelo during the Renaissance period, replaced the original edifice erected by Constantine the Great in the 4th century.
The new St. Peter's Basilica is characterized by its immense scale, Greek Cross plan, and a dynamic interplay of volumes and external surfaces that reflect Michelangelo's handiwork. Michelangelo's work, particularly on the dome and the overall symmetrical plan, epitomizes the architectural ambitions and the innovative spirit of the Renaissance.