Lost Lands is a major bass-music festival curated by DJ/producer Excision that spotlights dubstep and heavy bass artists across multiple stages. It takes place at Legend Valley, an outdoor concert and camping venue near Buckeye Lake in Thornville, Ohio, and is notable for its prehistoric/dinosaur-themed stage design, immersive production, and lineup of leading international electronic acts. The event centers on large-scale sound and visual experiences, with late-night sets and a dedicated bass-music fanbase.