Sutter County Ruins Mystery Cache

The cache is located near the levee in eastern Yuba City. You can see some modern ruins at the site. You can drive right to the cache, after solving the puzzle below. As this is a difficult placement, do not go alone, or at night, or without a major TOTT with you. And, be advised there is some tangled barbed wire at the site.

1. the Rapa Nui people created large human-like figures at this location
2. these ruins in Jordan remained buried until 1806 (-1)
3. Indian site with 34 caves carved out of solid rock (+2)
4. Mycenae, a Greek military stronghold, is located in this town
5. Tiwanaku is located in this South American country
6. the 15th century Inca site that was "discovered" in 1911 in Peru
7. Jordan site known for its rose-colored rock-cut architecture (2nd letter, +1)
8. city near Naples that was buried in/by volcanic ash in 79 AD (second letter)
9. the Roman city, Thysdrus, in Tunisia, is known by this name today (+2)
10. name of King Tut's father, or of King Tut's successor
11. it is also known as the Flavian Amphitheatre
12. this wall served as the border of the Roman Empire in England (+1)
13. Palmyra was an ancient Aramaic city located at an _______
14. Greek city, destroyed in 268 AD, best known for its Temple of Artemis (+2)
14. Alternate: over 1,400 caves in China filled with statues of various sizes (2nd word)

You can validate your puzzle solution with certitude.