Monaco, a tiny principality on the French Riviera, is known for its luxurious lifestyle, high-end shopping, and stunning views of the Mediterranean Sea. While many visitors spend several days exploring the city, it’s possible to see the highlights of Monaco in just one day – in fact, that’s exactly what I did! During my 10-day trip to Spain and France, I decided last-minute to squeeze in a quick day trip to the world’s second tiniest country. And I’m so glad I did. Here’s the skinny: