Athens Super Saver: Acropolis Walking Tour plus Cape Sounion and Temple of Poseidon Half-Day Trip. Discover the best of Athens and the Temple of Poseidon at Cape Sounion on this full-day Super Saver — a combination of two popular tours for a great discounted price. Start with a guided morning stroll around top Athens attractions such as Syntagma Square, the charming old Plaka district, and more. Then, take a guided tour of the UNESCO-listed Acropolis to see its classical showpieces, including the Parthenon. Finish with a scenic afternoon trip to see the Temple of Poseidon, a 5th-century BC temple perched on sea cliffs at Cape Sounion. Book this Tour and Save 10%: Athens Super Saver: Acropolis Walking Tour plus Cape Sounion and Temple of Poseidon Half-Day Trip.