Top 10 Tourist Attractions in Europe

1. Eiffel Tower (Paris, France) — Iron icon, summit views, sparkling light show.
2. Colosseum (Rome, Italy) — Flavian Amphitheatre, 80 AD, 50k spectators, gladiators, engineering marvel.
3. Acropolis (Athens, Greece) — Parthenon, Erechtheion, Propylaea; 5th c. BC democracy's citadel.
4. Sagrada Família (Barcelona, Spain) — Gaudí's unfinished basilica (1882–), nature-inspired organic architecture.
5. Stonehenge (Wiltshire, UK) — Neolithic/Bronze Age stone circle (3000–2000 BC), solstice alignment, enduring mystery.
6. Louvre Museum (Paris, France) — Mona Lisa, Venus de Milo, 380k objects, world's largest art museum.
7. Berlin Wall / East Side Gallery (Berlin, Germany) — 1961–89 division symbol; 1.3 km painted remnant, open-air gallery.
8. Grand Canal (Venice, Italy) — Palazzos, gondolas, Rialto Bridge; city on water, UNESCO.
9. Neuschwanstein Castle (Bavaria, Germany) — Ludwig II's 19th-c. Romanesque Revival fantasy; Disney inspiration.
10. Prague Castle (Prague, Czechia) — 9th c. complex, St. Vitus Cathedral, Golden Lane, largest ancient castle.

Honorable mentions: Alhambra, Dubrovnik Walls, Plitvice Lakes, Cliffs of Moher, Fjords, Santorini, Alhambra, Versailles, Hagia Sophia (Istanbul — transcontinental).