What are the best known touristes sites in Spain?

Palacio Real - The official residence of the King of Spain.

Running of the Bulls - Pamplona is a city in Navarrra, famous for its San Fermin festival which is held each year from July 6th-14th. At the heart of the festival is El Encierro (the Running of the Bulls) which involved running in front of a dozen bulls that have be let loose, on a course of the town's streets.

La Concha - It's said to be one of the best city beaches in Europe, there's surfing, water sports and good restaurants.

Aquedcut of Segovia - It's a monument left by the Romans, it carries water 16km (10 miles ) from the Frio River to Segovia.

Cuenca - It's a medieval city situated between Madrid and Valencia.

Ibiza - One of the most popular party destinations in all of Europe, good for night clubs, drinking, beach bars and restaurants.

Sagrada Familia - It's a large Roman Catholic church in Barcelona and one of Spain's most visited tourist attractions.

El Escorial - Nestles in the foothills of the Sierra de Guadarrama, El Escorial was the political center of the Spanish empire under King Phillip II.

Mezquita of Cordoba - Spanish for mosque, it's famous for its forest of pillars and arches in the main hall.

Alhambra - Part fortress, part palace and part garden. It's situated on a plateau overlooking the city of Granada in southern Spain. It's now one of Spain's major tourist attractions.