Day 1 - Argolid Highlights: Ancient Corinth and Acrocorinth in the morning, Mycenae in the afternoon, overnight in Nafplio.
Day 2 - Nafplio & Epidaurus: Explore Nafplio's old town and Palamidi Fortress, then the Ancient Theater of Epidaurus in the afternoon.
Day 3 - Sparta & Mystras: Drive to Sparta, spend the afternoon exploring the Byzantine ruins of Mystras.
Day 4 - Mani & Diros Caves: Head into the Mani peninsula, visit Diros Caves, and continue to Kalamata for the night.
Day 5 - Olympia: Drive west to Ancient Olympia and its museum before heading back toward Athens or the Ionian coast.