While the Eiffel Tower and Louvre are iconic, they also attract millions of visitors during the summer months.

The Colosseum and Vatican are bucket-list items, but they are swarmed with tourists.

Though Amsterdam's canals are beautiful, the city can become extremely crowded during peak season.

La Sagrada Familia and Park Güell are world-famous, but they’re also incredibly crowded.

Known for its sunsets and white-washed buildings, Santorini is often packed with tourists, especially during the summer.

From Buckingham Palace to the British Museum, London is a city of landmarks that draw massive crowds.

Mykonos is famous for its nightlife and luxury appeal, but it’s often packed with party-goers in the summer.