This Handbook provides a critical analysis of the evolution of the contemporary niche tourism phenomenon. By framing discussions around sustainable development thinking, concepts and practical applications, each chapter provides specific reflections on niche tourism trends, successes and/or failures, and the challenges and opportunities that destinations that pursue tourism as a vehicle for sustainable development face around the world.The Handbook includes a blend of academic and practitioner contributors providing a balance of theoretical, conceptual and empirical elaborations on the topic, with case studies from across the globe. It covers a broad range of critical thematic areas, including: nature-based tourism, rural tourism, heritage and culture based tourism, dark tourism, spiritual, religious and wellness tourism, and social and inclusive tourism. Chapters also examine the latest developments in niche tourism, including the impact of Covid-19.This invigorating and comprehensive study of niche tourism will benefit sustainable tourism scholars, as well as tourism researchers and students more broadly. It will also be useful to policy makers and tourism practitioners seeking a better understanding of this increasingly important field.