The Reggia di Caserta museum is a former royal residence located in Caserta, Italy. It was built in the 18th century by the House of Bourbon-Two Sicilies and is the largest palace constructed in Europe during that time. With over 1,200 rooms, grand staircases, a library, and a theater modeled after the Teatro San Carlo of Naples, this massive palace is a sight to behold. Visitors can explore the opulent state apartments, admire the intricate architecture, and immerse themselves in the history of this magnificent royal abode.