The Odeon of Herodes Atticus is an ancient amphitheater located on the southwestern slope of the Acropolis in Athens, Greece. It was built in 161 AD by the wealthy Roman Herodes Atticus in memory of his wife, and it was used for music concerts, theatrical performances, and other cultural events. The Odeon of Herodes Atticus is a beautiful and well-preserved example of Roman-era architecture. It has a semi-circular shape with a diameter of 80 meters, and it could seat up to 5,000 spectators. The theater was built using white Pentelic marble, and it was covered by a wooden roof that has since been lost to time. In ancient times, the Odeon of Herodes Atticus was one of the most prestigious venues for musical and theatrical performances in Athens. It hosted many famous performers, including the Greek composer Mikis Theodorakis, the Spanish tenor Placido Domingo, and the American singer Frank Sinatra. Today, the Odeon of Herodes Atticus is still used as a venue for cultural events, especially during the summer months when the Athens Festival takes place. The theater's impressive acoustics and beautiful setting make it a popular destination for music and theater lovers from all over the world.

The National Theatre of Greece, also known as the Ethniki Skini, is the national theatre of Greece and one of the oldest and most prestigious theatres in the country. It is located in the center of Athens and has been in operation since 1901. The National Theatre of Greece was established with the aim of promoting and preserving Greek culture and language through theatrical performances. Over the years, it has played a significant role in the development of Greek theatre and has produced many notable productions. The theatre's building was designed by Greek architect Ernst Ziller in a neoclassical style, and it features a grand façade and a large auditorium that can seat up to 1,700 people. The theatre also has several smaller performance spaces and rehearsal rooms. In addition to producing theatrical productions, the National Theatre of Greece also offers training programs for actors, directors, and other theatre professionals. It has collaborated with many international theatre companies and has participated in numerous theatre festivals around the world. Overall, the National Theatre of Greece is an important institution in Greek culture and has played a significant role in the development of Greek theatre. It continues to be a popular destination for locals and tourists alike, offering a diverse range of productions throughout the year.

The First Cemetery of Athens, also known as the Cemetery of the Athenians, is one of the oldest and most historic cemeteries in Athens, Greece. It was established in 1837 and was the first organized cemetery of the modern Greek state. It is located in the central Athens neighborhood of Mets, near the Temple of Olympian Zeus and the Panathenaic Stadium. The cemetery is the final resting place for many notable Greeks, including politicians, artists, writers, and scientists. Among the famous individuals buried there are the poet Kostis Palamas, the composer Mikis Theodorakis, the politician Eleftherios Venizelos, and the archaeologist Heinrich Schliemann. The First Cemetery of Athens is not only a place of mourning but also a cultural site with numerous sculptures, mausoleums, and ornate tombs. The cemetery is designed like a small park, with winding paths and shady trees that make it a peaceful and contemplative place to visit. It is also a popular tourist destination, with guided tours available to visitors who want to explore the cemetery's rich history. In recent years, the cemetery has undergone renovations to improve the facilities and preserve its historic monuments. Today, the First Cemetery of Athens remains an important cultural institution that provides a glimpse into Greece's past and honors the memory of its most illustrious citizens.

The Monument to the Unknown Soldier is a prominent landmark located in front of the Hellenic Parliament building in Athens, Greece. It is a war memorial dedicated to the memory of Greek soldiers who lost their lives fighting for their country during various conflicts throughout history. The monument consists of a large stone structure with a central pedestal that supports a statue of a dying soldier. The soldier is depicted wearing a helmet and carrying a shield and a sword, and is lying on his back with his arms spread out, as if embracing his country. The statue is made of Pentelic marble and stands over 3 meters tall. The monument is guarded around the clock by two Evzones, the elite soldiers of the Greek Presidential Guard, who are dressed in their traditional uniform of white kilt, red cap, and black shoes with pompons. Every year on March 25th, Greece's Independence Day, a grand military parade takes place in front of the monument, and wreaths are laid in honor of the Unknown Soldier. The Monument to the Unknown Soldier is not only a symbol of remembrance for fallen Greek soldiers but also a testament to the country's patriotism and unwavering commitment to defend its sovereignty and independence.

The Stoa of Attalos is an ancient building located in the Agora of Athens, Greece. It was originally built by King Attalos II of Pergamon in the 2nd century BC as a gift to the city of Athens, and was used as a covered marketplace and meeting place. The Stoa of Attalos was a two-story building with a colonnade of 21 Doric columns on the ground floor and 21 Ionic columns on the upper floor. The building was about 115 meters long and 20 meters wide, and it had a central hall and several smaller rooms. During the Roman period, the Stoa of Attalos was damaged by fire and earthquakes, and it fell into disrepair. In the 1950s, the building was reconstructed by the American School of Classical Studies at Athens, using ancient building materials and techniques. Today, the Stoa of Attalos houses the Museum of the Ancient Agora, which contains exhibits on the history of the Agora and ancient Athens. The museum's collection includes pottery, coins, sculpture, and other artifacts from the ancient Greek and Roman periods.