Visit the Acropolis to see the Parthenon and other ancient ruins up close. You can walk the Propylaea gateway and study the Erechtheion with its Caryatid statues. Spend time on the terraces to take in wide views of Athens below. Plan to be there near sunset if possible for the best light and cooler temperatures.

Stroll Oia's narrow alleys and whitewashed houses and pause often for classic caldera photos. You can wander the shops and step into small galleries, then find a terrace to watch the light on the sea. Explore Fira for a livelier scene of shops, cafes, and museums set against the caldera. You can take time to sit at a cafe, watch the crowd, and enjoy views over the cliffs. Walk down or take the steps to Ammoudi Bay for fresh seafood at the waterfront tavernas. You can swim in the clear water or, if feeling bold, try one of the local cliff-jumping spots.

Walk through Old Bar (Stari Bar) to see the ruined citadel, old churches, and defensive walls. You can imagine the layers of history and find quiet corners for pictures among the stones. Visit King Nikola's Palace to see the museum displays of royal memorabilia and local history. You can also stroll the palace gardens and visit the small chapel on the grounds. End the day at Bar Marina to watch boats come and go and to sit at a seaside cafe. You can enjoy a relaxed evening walk along the promenade and sample local seafood at a waterfront restaurant.

Explore Corfu Old Town's Venetian streets, kantounia, and fortresses to feel the city's layered past. You can browse shops, stop in cafes, and visit historic churches as you move through the winding alleys. Head to Paleokastritsa Monastery for panoramic views over the bay and a quiet monastery courtyard to explore. You can learn about the religious history and enjoy views across the Ionian Sea. Visit the Kanoni/Pontikonisi viewpoint for iconic photos of Vlacherna Monastery and Mouse Island. You can walk the causeway area, set up for shots, and watch small boats pass by the inlet.

See Messina Cathedral and its famous astronomical clock and catch the mechanical show at noon. You can study the facade, step inside to see the architecture, and watch the clock's figures move. Walk to the Fountain of Orion in the main square to view its Baroque sculpture and the detailed allegorical figures. You can pause nearby for coffee and take in the historic city center. Travel up to Taormina to visit the ancient Greek Theatre and stand where performances have been held for centuries. You can enjoy the sweeping views of Mount Etna and the Ionian Sea from the seating tiers. Visit the Duomo di Taormina to see the church's Baroque features and interior artworks. You can take a short walk through the adjacent streets to feel the town's atmosphere.

Tour Sagrada Família to study Gaudí's facades and interior light, and book tickets in advance to avoid long lines. You can learn about the ongoing construction and the biblical stories woven into the stone. Spend time at Park Güell to see Gaudí's mosaics, unique buildings, and panoramic views over the city. You can walk the paths, find the main terrace, and photograph the colorful tile work. Wander the Gothic Quarter's narrow streets and plazas to find medieval architecture and hidden squares. You can visit the Barcelona Cathedral and stop at small bars for tapas along the way. Visit Casa Batlló to see Gaudí's organic forms and imaginative interior spaces. You can tour the rooms and read the explanations of the building's symbolism.

Visit the Cathedral of Santa Maria of Palma (La Seu) to admire its Gothic architecture and the stained glass that lights the nave. You can walk the exterior esplanade by the sea and then enter to study the artworks. Head to Bellver Castle on the hill for sweeping views over Palma and the bay from the circular ramparts. You can visit the history museum inside and walk the surrounding park. Explore Palma Old Town's winding lanes, squares, and boutique shops to feel the city's history and daily life. You can stop at tapas bars and small markets as you move through the quarter. Spend time at Palma Aquarium to see Mediterranean and tropical exhibits and the large shark tank. You can walk the displays, learn about marine conservation, and let kids or adults enjoy the interactive sections.

Start at Marseille's Vieux-Port to watch the harbor activity and choose from many waterfront restaurants for a morning coffee. You can walk along the quays, see fishing boats, and plan excursions to nearby islands. Wander Le Panier's colorful streets to find artisan shops, murals, and quiet squares away from the port. You can stop at local ateliers and get a feel for Marseille's oldest neighborhood. Visit Basilique Notre-Dame de la Garde for panoramic city and sea views and to see the ornate interior. You can take your time on the hilltop terraces and learn about the basilica's role as a city landmark. Tour MuCEM to explore exhibits on Mediterranean cultures and to appreciate its modern architecture by the waterfront. You can move between indoor displays and the outdoor walkways that connect to the fort. Take a boat to Château d'If to see the island fortress and its cells that inspired The Count of Monte Cristo. You can walk the ramparts and read about the site's history while enjoying sea views back to Marseille.

Visit Maison Bonaparte to see the rooms, portraits, and artifacts from Napoleon's family and learn about the local history. You can follow the museum route and note the period furniture and displays. Spend time at Musée Fesch to view its strong collection of Italian Renaissance paintings and other European works. You can move through the galleries and read the context for the major pieces. Stop at Ajaccio Cathedral to see the baptistry where Napoleon was baptized and to admire the Baroque interior. You can attend a short visit inside and then walk the surrounding streets. Hike or drive to Tour de la Parata for views of the Sanguinaires Islands and the Gulf of Ajaccio. You can photograph the coastline and enjoy a seaside walk on the headland.

Relax in Portofino's Piazzetta to watch the harbor scene, sip a drink, and people-watch among the colorful buildings. You can use the square as a base to walk the waterfront and choose a cafe for lunch. Climb to Castello Brown to tour the restored rooms and terraces and to take in panoramic views over the village and sea. You can explore the gardens and photo spots around the castle grounds. Visit the Church of San Giorgio on its promontory for quiet views and a short, scenic walk from the harbor. You can pause to enjoy the coastal panorama and the church's simple interior. Spend time at Paraggi Beach to swim in clear water or relax on the sand and rent a sunbed if needed. You can walk the nearby paths for different viewpoints. If time allows, take a boat or hike to San Fruttuoso Abbey to see the secluded cove and the medieval monastery. You can tour the abbey and enjoy the peaceful setting before returning to the village.

Begin at the Aquarium of Genoa, one of Europe's largest aquariums, where massive tanks house dolphins, sharks, and colorful reef fish. You can move through interactive exhibits and read educational displays that explain the local and global marine ecosystems. Walk the Porto Antico waterfront to feel the scale of the old port that has been redeveloped for visitors. You will find the Bigo panoramic lift, the Galata Maritime Museum, cafes, and shops along the quay that make for an easy, scenic stroll. Visit the Cattedrale di San Lorenzo to take in the striking striped facade and the detailed interior chapels. Inside, explore the artwork and relics that trace Genoa's medieval and maritime history. Stroll down Via Garibaldi to see the palaces of the old merchant elite, including Palazzo Rosso. Stop inside Palazzo Rosso to view its art collection and get a sense of how wealthy families lived in the city. Head up to Spianata Castelletto by the Art Nouveau lift or on foot via Salita di Santa Anna for panoramic views of the harbor and rooftops. This lookout is a great place to photograph the city and to pause above the bustle below.

Use La Spezia as your base and take the short train to Riomaggiore, the southernmost Cinque Terre village, where colorful houses climb the cliff above a tiny harbor. Walk the waterfront and explore the narrow alleys to find local shops and seaside views. Continue to Manarola and wander its steep lanes and viewpoints that drop to the sea. Sit at a harborside trattoria for fresh seafood and watch the fishing boats come in. Stop in Vernazza to stroll through the small harbor and to climb toward the Doria Castle for wide views of the coastline. Sample local focaccia and seafood at a waterfront cafe while you enjoy the relaxed atmosphere. Finish in Monterosso al Mare, the largest of the five villages and the only one with a sandy beach. Spend time on the sand or swim in the Ligurian Sea, then explore the old town and its churches before returning to La Spezia.

From Civitavecchia, take the train into Rome to visit the Colosseum and the surrounding ancient sites. Explore the arena ruins, imagine the gladiatorial contests and public spectacles that once took place there, and consider a guided tour to learn more about its architecture and history.