Paris is a popular tourist destination located in northern France along the river Seine. It has a population of over 2 million people and is one of the most important economic centers in Europe, along with London. Some of Paris's most famous landmarks that attract over 26 million visitors annually include the Eiffel Tower, Notre Dame Cathedral, the Champs-Elysees, and the Arc de Triomphe. The Eiffel Tower, designed by engineer Gustave Eiffel and standing 300 meters tall, is one of the largest and most beautiful monuments in Paris according to the author.