From the Sphinx to the Terracotta Army, photos show 10 historical sites when they were discovered and after they were excavated

• Scientists are still making new discoveries about ancient civilizations.
• Architectural structures that have endured centuries give us insight into ancient civilizations.
• Many ancient historical sites are dedications to gods and religious figures. 

The concept of a lost city is enticing. An ancient civilization lost to time and space that holds secrets of how early humans used to live in a time before modern technology sounds more like fiction than fact. Yet, remnants of old civilizations have been found time and time again.