Visit the Brandenburg Gate, admire the paintings at the East Side Gallery, and have a picnic at the Tiergarten Park.
Take a stroll in the Old Town, visit the famous Chapel Bridge, and enjoy the views of Lake Lucerne from Mount Pilatus.
Experience an unforgettable adventure by taking the Jungfraujoch train to the top of Europe, paraglide over the beautiful Swiss Alps, and enjoy a relaxing boat ride on Lake Brienz.
Visit the Duomo di Milano Cathedral, enjoy some gelato in Galleria Vittorio Emanuele II, and see Leonardo da Vinci's famous painting, The Last Supper at the Santa Maria delle Grazie.
Explore the birthplace of the Italian Renaissance by visiting the Uffizi Gallery, admiring the stunning Duomo, and wandering around the Ponte Vecchio.
Visit one of the world's most famous landmarks, the Colosseum, toss a coin into the Trevi Fountain, and enjoy a delicious plate of pasta at a trattoria.
Take a guided tour of St. Peter's Basilica, admire the masterpieces at the Sistine Chapel, and see the Pope's Swiss Guard.
Ride a gondola through the canals, visit the famous Rialto Market, and snap a photo at the Bridge of Sighs.
Enjoy a delicious pretzel and drink a traditional German beer at a Biergarten, walk around the beautiful Nymphenburg Palace and visit the famous Marienplatz.
If you have more time you might consider visiting other cities such as Frankfurt in Germany, Zurich in Switzerland, and Pisa, known for its famous leaning tower. Adjust travel times based on train schedules and remember to pack for the changing weather conditions of each location.