This National Park features some of the most monstrous trees on Earth, including General Sherman, the largest known living single-stem tree on Earth (by volume). We highly recommend a visit here, especially if you ever need to feel small for a bit. Located in the beautiful Sierra Nevada mountains, Sequoia National Park allows you to Waltz around a forest of giants, trek through the underground Crystal Cave, climb Moro Rock to take in sweeping views and drive around the Tunnel Tree. It is right next to Kings Canyon National Park so easy to make two trips in one with a full itinerary of National Park travel.