The Fontana di Trevi is a famous 18th-century fountain in Rome, Italy, designed by Nicola Salvi. It is the largest Baroque fountain in the city and a popular tourist attraction. Visitors often toss coins into the fountain with the belief that it will ensure their return to Rome. The fountain has been featured in movies like "La Dolce Vita" and "Roman Holiday", adding to its charm and allure. So, don't forget to make a wish and throw a coin into the Fontana di Trevi for a fun and memorable experience in the Eternal City!