Honolulu Hawaii Oahu Waikiki Beach Diamondhead Key Ring

The sun sets over Waikiki Beach and Diamondhead in Honolulu, Hawaii. Honolulu, Hawaii, officially founded as a city in 1907, is the vibrant capital of the state and a hub for Hawaiian culture, history, and tourism. Key sights include Waikiki Beach, Diamond Head State Monument, and Iolani Palace, the only royal palace in the United States. The city hosts significant events such as the Honolulu Festival, celebrating Hawaiian and Pacific cultures, and the Aloha Festivals, which showcase the rich heritage of the islands through music, dance, and parades.