History is one of the main aspects that shapes a country’s culture and leaves its traces on the built environment in the form of an architectural heritage. Such a heritage records the existence of humans, their past endeavours and in doing so preserves their cultures and traditions for future generations and contributes to the formation of their identities by acting as an inspiration for their architectural achievements. From this perspective, conservation of architectural heritage becomes important to both current and future architectural endeavours. This book discusses several topics of great importance and relevance to the conservation of worldwide architectural heritage. From historic cities and cultural landscapes to some of the largest archaeological sites in the world, conserving such a legacy is a challenging task that requires commitment, effort and international cooperation that this book proves possible. The book has an abundance of information that undoubtedly covers major areas in the field of architecture heritage. It discusses the challenges faced in the field and demonstrates the importance of such an undertaking to individuals, communities, and cities’ identity all over the world. It also highlights the role of individuals and organizations in the precise and complex process of conserving architectural heritage.