Visit one of Greece’s most picturesque coastal viewpoints on a half-day small-group tour from Athens to Cape Sounion. Travel by minivan along south Attica’s scenic shoreline roads to reach the ancient Temple of Poseidon, built atop a towering sea cliff with fantastic views of the Aegean. Explore the ruins of this temple dedicated to the Greek god of the sea, and opt for an afternoon tour to catch a famously beautiful sunset.

The Greek islands are made for hopping, but visiting multiple islands in one day by ferry can be stressful. With this boat tour, set off from Piraeus on board an elegant wooden boat to explore the coastlines of Aegina and Agistri in one day. Land on both islands for free time to sightsee, dive into the crystalline waters for swimming and snorkeling, and enjoy a traditional Greek lunch at sea.

Visit the home of the famous Oracle of Delphi on a full-day small group tour from Athens to one of the ancient world’s most important spiritual sites. Pass through the plain of Beotia and the legendary town of Thebes on the way up to Mt Parnassus, and explore highlights the UNESCO-listed archaeological site, including the Polygonal Wall, Temple of Apollo ruins and Delphi museum with a guide (entry fee at your own cost.) Stop in the mountain towns of Delphi and Arachova for spectacular views.

This ancient cemetery and archaeological site is where the famous Kerameikos pottery district once thrived. The site includes well-preserved grave monuments and the remains of the ancient city walls. It's remarkably peaceful and usually uncrowded.

Climb this pine-covered hill for spectacular panoramic views of Athens and the Acropolis. The Monument of Filopappos at the summit is a beautiful Roman-era tomb with carved reliefs.

Take the funicular or hike up Athens' highest hill for breathtaking 360-degree views. The little Chapel of St. George at the top is charming, and sunset views from here are unforgettable.

This lesser-known gem houses an extraordinary collection of Islamic art in a beautifully restored neoclassical mansion. The ceramics, textiles, and metalwork are stunning.

Discover the mysterious marble figurines of the Cycladic islands (3200-2000 BC) that inspired modern artists like Picasso and Modigliani. The museum's collection is world-renowned but often overlooked by tourists.

Right next to Athens Cathedral sits this tiny 12th-century Byzantine church covered in ancient marble reliefs and inscriptions recycled from earlier buildings. It's like a textbook of Byzantine architecture in miniature.

A UNESCO World Heritage site just outside Athens, this 11th-century monastery contains some of the finest Byzantine mosaics in existence. The journey here feels like a pilgrimage to a hidden treasure.

This modern architectural marvel by Renzo Piano houses the National Library and Opera House. The park and canal create a stunning green space, and views from the top are spectacular.

This might sound morbid, but Athens' main cemetery is actually a beautiful sculpture park with elaborate 19th and 20th-century tombs. Many famous Greeks are buried here, and the artistry is remarkable.

Nestled on the slopes of Mount Hymettus, this 11th-century monastery offers beautiful frescoes, peaceful gardens, and hiking trails with great views over Athens.

Recently opened to the public, this is where Aristotle established his famous school. The excavated gymnasium and philosophical discussions areas are fascinating for philosophy enthusiasts.

While the indoor museum is standard, the outdoor courtyard displays impressive aircraft, tanks, and artillery pieces, including some rare WWII-era equipment.

• Combined tickets: Consider the multi-site ticket that covers the Acropolis and six other ancient sites
• Summer heat: Visit archaeological sites early morning or late afternoon in summer
• Comfortable shoes: Essential for walking on ancient marble and uneven paths
• Photography: Tripods not allowed at most sites, but handheld photography is generally permitted
• Dress code: Cover shoulders and knees for monastery visits
• Water: Bring plenty, especially when climbing hills in summer

• Acropolis and Acropolis Museum tickets (essential in peak season)
• National Archaeological Museum tickets
• Any specific restaurant reservations in Plaka or Psyrri neighborhoods
• Lycabettus funicular tickets during sunset hours

There are also some great day trips from Athens if interested.