Stroll through the charming cobblestone alleys of Warsaw Old Town, which was meticulously reconstructed from WWII bombings. Be sure to visit the Royal Castle, the Market Square, and the Barbican defense tower.
Step inside the secret annex where Anne Frank and her family hid during WWII and reflect upon one of Amsterdam's most heart-wrenching stories. Spend the rest of the day exploring the city's picturesque canals, its famous Rijksmuseum, and the lively Vondelpark.
Feel the glitz and glamour of the playground of the rich and famous. Stroll through Monaco's Old Town, visit the Prince's Palace, and take in the views from the stunning Monaco Cathedral. End the day at the iconic Monte Carlo Casino.
Visit the fascinating Jardin Exotique to discover a unique collection of exotic plants from around the world. Stop by The Oceanographic Museum to explore the underwater world and scientific research behind it.
Admire the largest collection of Vincent Van Gogh's artworks at the Van Gogh Museum. In the evening, experience a different side of Amsterdam by walking through the infamous Red Light District.
Start the day by visiting the impressive Palace of Culture and Science, one of the most significant landmarks in Warsaw. Take a stroll in the Lazienki Park and marvel at the beautiful Palace on the Water, as well as the Chopin Statue, an homage to the famous composer.
If you have an extra day, consider taking a day trip to Zaanse Schans from Amsterdam. If you're interested in history, add the Auschwitz-Birkenau Memorial and Museum day tour in Krakow before or after your Warsaw visit. If you're short on time, consider skipping the Red Light District in Amsterdam and the Lazienki Park in Warsaw.