United StatesHonolulu
Honolulu: Kamehameha Dynasty History and Kapu Abolition, Ala Moana Center (world largest outdoor mall), Aloha Stadium Swap Meet and Spam Musubi, Luau and Sunset Cocktail Scene (House Without a Key), Punchbowl National Memorial Cemetery (From Here to Eternity), and Island Hopping Guide to Maui, Kauai, Molokai, and Big Island
Honolulu culture and context: the Kamehameha dynasty (unification 1795-1810, kapu abolition 1819, missionary arrival 1820), Ala Moana Center (world largest outdoor mall, 350 shops), aloha shirt history (Ellery Chun 1930s, yukata fabric), Aloha Stadium Swap Meet, sunset cocktails at House Without a Key, Punchbowl National Cemetery (53,000 military dead, From Here to Eternity), and island-hopping guide (Maui/Haleakala/Lahaina wildfire 2023, Kauai/Na Pali/Waimea Canyon, Molokai/Kalaupapa, Big Island/Kilauea).
Honolulu: Waikiki Beach and Diamond Head Summit Hike, Pearl Harbor National Memorial (USS Arizona and USS Missouri), North Shore Seven Mile Miracle Surf (Pipeline, Sunset Beach), Polynesian Cultural Center, Hawaiian Plate Lunch and Practical Guide
Honolulu: the crossroads of the Pacific (Hawaiian history, Kamehameha unification, Queen Liliuokalani overthrow, statehood 1959), Waikiki Beach and Diamond Head trail, Pearl Harbor attack of 7 December 1941 (USS Arizona Memorial, USS Missouri surrender site), North Shore Pipeline and Triple Crown of Surfing, Polynesian Cultural Center (seven island villages, luau), and complete practical guide (plate lunch, shave ice, poke, TheBus network).
Honolulu: Koko Head Crater Trail and Sandy Beach, Kailua Beach and Lanikai Pillbox Hike, Haleiwa North Shore Town (surf culture, Matsumoto Shave Ice), Waimea Valley Sacred Cultural Site, Dole Plantation Pineapple History, and Hawaii Volcanoes National Park Big Island Day Trip
Oahu outer adventures: Koko Head Crater 1048 stairs and Sandy Beach shore break, Kailua and Lanikai Beach (best swimming on Oahu), Haleiwa surf town (shave ice, garlic shrimp trucks, surf shops), Waimea Valley cultural preserve and swimming hole, Dole Plantation pineapple history and world largest hedge maze, and Hawaii Volcanoes National Park Big Island day trip (Kilauea active lava lake, Chain of Craters Road, Thurston Lava Tube).
Honolulu: Iolani Palace (Hawaiian Kingdom overthrow 1893), Bishop Museum (Pacific natural and cultural history), Nuuanu Pali Lookout (Battle of Nuuanu 1795), Manoa Falls Rainforest Trail, Hanauma Bay Snorkeling Reserve, and Chinatown Asian Food Scene
Honolulu deep history: Iolani Palace (King Kalakaua, Queen Liliuokalani, the 1893 overthrow, the 1993 US Apology Resolution), Bishop Museum (Hawaiian featherwork, Polynesian navigation, Pacific collections), Nuuanu Pali Battle 1795 (Kamehameha unification), Manoa Falls rainforest hike, Hanauma Bay coral reef snorkeling (timed-entry reservation required), and Chinatown food scene (Oahu Market, Vietnamese pho, saimin, Honolulu Museum of Art).