Travelling to visit well-known attractions is one of the most popular ways for people to enjoy holidays. The following ten destinations offer some of the world's most amazing views in addition to exciting entertainment. And of course, they are packed with visitors.

Millions of people throng to these attractions during holidays every year, sometimes making these places so crowded that it is hard to move. How crowded could it be? Let's take a look together.

  The Sydney Opera House

The Sydney Opera House

Located in Sydney, Australia, this theater has become one of the city's major landmarks. Built in 1973, it is one of the most distinguished buildings of the 20th century. The shape of the theater was inspired by seashells, creating a harmonious scene with famous nearby attractions like the Sydney Harbour Bridge. The Sydney Opera House hosts over 1,500 performances each year, making it one of the most popular and busiest theaters in the world.