The Colosseum, an iconic ancient Roman landmark in Rome, Italy, was built almost 2,000 years ago and is considered one of the greatest engineering and architectural achievements of the Roman Empire. It was primarily used for gladiatorial contests and public spectacles. Today, the Colosseum remains one of the most visited tourist attractions in Rome, attracting millions of visitors each year. The Trevi Fountain, also located in Rome, is a Baroque masterpiece designed by architect Nicola Salvi in the 18th century. The fountain's cascading waters and ornate sculptures have made it one of the most popular landmarks in Rome, attracting millions of visitors each year.