Romania offers many historic and natural tourist attractions. Some of the most notable include the Merry Cemetery in Maramureș, known for its colorful tombstones depicting scenes from peoples' lives. Poenari Citadel is a ruined castle associated with Vlad the Impaler. The Curtea de Argeș Monastery is famous for a legend where a man laid bricks using his wife to build the monastery. The Danube Delta is the second largest river delta in Europe and offers scenic nature. Peleș Castle is a beautiful Neo-Renaissance castle considered one of the most beautiful in the world.