Fifty states the size of a continent — NYC and SF for cities, national parks for nature, the South for music + food, the Pacific Northwest for forests. Pick a region, not the whole country.
Manhattan icons, Brooklyn brownstones, Broadway, museums, food. 4–5 days minimum.
LA, Pacific Coast Highway, San Francisco, Yosemite.
Grand Canyon, Zion, Bryce, Antelope Canyon, Monument Valley. Fly Las Vegas, road-trip from there.
Miami Beach, Keys, Everglades, Orlando theme parks.
Jazz, Creole + Cajun food, French Quarter, Mardi Gras in February.
Oahu (Honolulu, Pearl Harbor), Maui (Road to Hana), Big Island (volcanoes), Kauai (Na Pali coast).