Visit the amazing Corinth Canal which connects the ionian sea with the Aegean sea The Corinth Canal exist from 700bc and connect the ionian sea with the Aegean sea through the Corinthian Gulf. The Corinth Canal (Greek: Διώρυγα της Κορίνθου, romanized: Dioryga tis Korinthou) is an artificial canal in Greece that connects the Gulf of Corinth in the Ionian Sea with the Saronic Gulf in the Aegean Sea. It cuts through the narrow Isthmus of Corinth and separates the Peloponnese from the Greek mainland, making the peninsula an island. The canal was dug through the Isthmus at sea level and has no locks. It is 6.4 kilometres (4 miles) in length and only 24.6 metres (80.7 feet) wide at sea level, making it impassable for many modern ships. It is currently of little economic importance and is mainly a tourist attraction.

One of the most important routes of religious interest in Greece is the "Footsteps of the Apostle Paul". Paul, although he did not belong to the close circle of the 12 disciples of Christ, is an important figure for the Christian religion. He spread Christianity like no other and for this reason he was called an equal apostle and "Apostle of the Gentiles"Since 1896, systematic archaeological investigations of the Corinth Excavations by the American School of Classical Studies at Athens have revealed large parts of the ancient city, and recent excavations conducted by the Greek Ministry of Culture have brought to light important new facets of antiquity. For Christians, Corinth is well known from the two letters of Saint Paul in the New Testament, First and Second Corinthians. Corinth is also mentioned in the Acts of the Apostles as part of Paul the Apostle's missionary travels. In addition, the second book of Pausanias' Description of Greece is devoted to Corinth.

Visit the spectacular Venetian castle Acrocorinth (Greek: Ακροκόρινθος, lit. 'Upper Corinth' or 'the acropolis of ancient Corinth') is a monolithic rock overlooking the ancient city of Corinth, Greece. In the estimation of George Forrest, "It is the most impressive of the acropolis of mainland Greece." Acrocorinth, looking north towards the Gulf of Corinth. With its secure water supply, Acrocorinth's fortress was repeatedly used as a last line of defense in southern Greece because it commanded the Isthmus of Corinth, repelling foes from entry by land into the Peloponnese peninsula.

Visit the Ancient theatre of Epidaurus and test your voice at the amazing acoustic of the theatre. Then walk at the temple of Asklepios the god of medicine. The Ancient Theatre of Epidaurus is a theatre in the Greek city of Epidaurus, located on the southeast end of the sanctuary dedicated to the ancient Greek God of medicine, Asclepius. It is built on the west side of Cynortion Mountain, near modern Lygourio, and belongs to the Epidaurus Municipality. Constructed in late 4th century BC, it is considered to be the most perfect ancient Greek theatre with regard to acoustics and aesthetics. Because of its exceptional architecture and aesthetics, the theatre was inscribed on the UNESCO World Heritage List in 1988 along with the Temple of Asclepius.

In the second millennium BC, Mycenae was one of the major centres of Greek civilization, a military stronghold which dominated much of southern Greece, Crete, the Cyclades and parts of southwest Anatolia. The period of Greek history from about 1600 BC to about 1100 BC is called Mycenaean in reference to Mycenae. At its peak in 1350 BC, the citadel and lower town had a population of 30,000 and an area of 32 hectares, (74.132 acres). In 1999, the archeological site of Mycenae was inscribed on the UNESCO World Heritage List, along with the nearby site of Tiryns, because of its historical importance as the center of the Mycenaean civilization, its outstanding architecture, and its testimony to the development of Ancient Greek civilization. The Lions Gate, the Treasury of Atreus, and the walls of Tiryns are examples of the noteworthy architecture found in Mycenae and Tiryns. These discoveries' structures and layouts exemplify the human creative talent of the time.

Nafplio or Nauplio (Greek: Ναύπλιο) is a coastal city located in the Peloponnese in Greece and it is the capital of the regional unit of Argolis and an important touristic destination. Founded in antiquity, the city became an important seaport in the Middle Ages during the Frankokratia as part of the lordship of Argos and Nauplia, held initially by the de la Roche following the Fourth Crusade before coming under the Republic of Venice and, lastly, the Ottoman Empire. The city was the second capital of the First Hellenic Republic and of the Kingdom of Greece, from 1827 until 1834.