Built around male/female vocals and guitar/piano/violin instrumentation, the band's debut album fit nicely within the indie folk wave of early Fleet Foxes and Mumford & Sons. With Until I Live, the band took a step away from the folk niche but still emphasized their core elements in a much more expansive and energetic album. With Places, released in September of 2017, the band continued evolving in a similar direction. Places incorporates distinctive pop, electronic, and rock elements but blends them with Parks' signature songwriting and the warmth of the group's well-loved vocal harmonies and classical instrumentation.
The National Parks are a four piece group with Brady Parks on guitar and vocals being joined by Sydney Macfarlane on keys and vocals, Cam Brannelly on drums, and Megan Parks on violin.