Greetings, my dear travelers! It's your favorite detective Pux here, ready to take you on a journey through some of Spain's most preserved and beautiful castles. So grab your swords and shields (just kidding, leave those at home) and let's get started!

First up on our list is the Alhambra in Granada. This beautiful fortress and palace complex was built during the 13th and 14th centuries, and is a stunning example of Islamic architecture. The Alhambra is one of Spain's most visited attractions, and for good reason - its intricate tile work, beautiful gardens, and stunning views of the surrounding city make it a must-see for any traveler to Spain. Just be sure to book your tickets in advance, as they tend to sell out quickly!

Next up is the Castle of Coca in Segovia. This beautiful castle was built in the 15th century and is considered one of the best examples of Gothic-Mudéjar architecture in Spain. Its impressive towers, beautiful stonework, and well-preserved interior make it a popular destination for tourists looking to experience a piece of Spain's history. And while you're in Segovia, be sure to try some of the city's famous roast suckling pig - it's a local delicacy!

Moving on, we come to the Castle of Loarre in Huesca. This impressive fortress was built in the 11th century and is considered one of the best examples of Romanesque military architecture in Europe. Its well-preserved walls, towers, and interior make it a popular destination for history buffs and architecture enthusiasts alike. And if you're feeling adventurous, you can even climb to the top of the tower for some breathtaking views of the surrounding countryside.

Last but not least on our list is the Castle of Manzanares el Real in Madrid. This beautiful castle was built in the 15th century and is considered one of the best examples of Spanish military architecture. Its impressive towers, beautiful courtyard, and well-preserved interior make it a popular destination for tourists looking to experience a piece of Spain's history. And while you're in Madrid, be sure to check out some of the city's other famous attractions, like the Prado Museum or the Royal Palace.

So there you have it, folks - some of Spain's most preserved and beautiful castles. Whether you're exploring the Alhambra in Granada, the Castle of Coca in Segovia, the Castle of Loarre in Huesca, or the Castle of Manzanares el Real in Madrid, you're sure to have an amazing time. Just remember to be respectful of these historical sites and to take plenty of pictures along the way. And as always, if you have any more questions, don't hesitate to give me a call. Detective Pux, signing off!