Day 1: Paris, France
From Charles de Gaulle Airport to the hotel (1 hour, 13 miles)
Climb the Eiffel Tower
Day 2: Paris, France
From the hotel to the Catacombs of Paris (35 minutes, 4 miles)
Explore Catacombs of Paris
Day 3: Nice, France
From Paris to Nice by train (6 hours, 430 miles)
Go cliff jumping in Calanques de Marseille National Park
Day 4: Nice, France
From the hotel to Parc de la Colline du Château (10 minutes, 1 mile)
Get lost in the French Rivera's alleys
Day 5: Rome, Italy
From Nice to Rome by flight (2 hours, 500 miles)
Visit the Colosseum in its glory days
Day 6: Rome, Italy
From the hotel to Vatican City (15 minutes, 2 miles)
See the Sistine Chapel's art
Day 7: Florence, Italy
From Rome to Florence by train (2 hours, 145 miles)
Hike Cinque Terre's trails
Day 8: Florence, Italy
From hotel to The Boboli Gardens (15 minutes, 1 mile)
Stroll in Ponte Vecchio's romance
Day 9: Barcelona, Spain
From Florence to Barcelona by flight (2.5 hours, 620 miles)
Explore the Park Güell's whimsy
Day 10: Barcelona, Spain
From the hotel to Tibidabo Amusement Park (30 minutes, 5 miles)
Ride Tibidabo Amusement Park's iconic ferris wheel
Day 11: Seville, Spain
From Barcelona to Seville by train (5.5 hours, 600 miles)
Get adventurous with Seville's hot-air balloon ride
Day 12: Seville, Spain
From the hotel to Plaza de España (10 minutes, 2 miles)
Experience Flamenco dancing in Plaza de España
Day 13: Madrid, Spain
From Seville to Madrid by train (3 hours, 250 miles)
Shop at Mercado de San Miguel
Day 14: Madrid, Spain
From the hotel to Retiro Park (10 minutes, 2 miles)
Relax and picnic in Retiro Park's serene environment
If you have more time, consider visiting other nearby attractions such as the Louvre Museum in Paris or Sagrada Familia in Barcelona. For a shorter itinerary, you can reduce the number of days you spend in each location or skip some places altogether. Always check opening and closing times for places you plan to visit, as schedules may change due to various factors like weather or holidays.