Here is a list of the locations of the remaining pices of Eden

1. Giza, Egypt
2. Lake Victoria, Africa, more on the Kenyan side
3. The Gambia River, Gambia
4. Timbuktu, Mali
5. Taza, Morocco
6. Canary Islands, Spain
7. The Southern tip of the Kamchatka Peninsula in Russia, near the volcano of Opala
8. Odessa, Ukraine
9. Kharkiv, Ukraine
10. Rennes-le-Château, France
11. Salisbury Plain, England (presumably at Stonehenge)
12. Loch Ness, Scotland
13. Maroantsetra, Madagascar
14. Nara, Japan (There is a glyph that shows mountains in Nara)
15. Somewhere close to Goodhouse, South Africa, near the border between South Africa and Namibia
16. Inside or nearby Boston, Massachusetts, United States (could this be a main plot of AC 3)
17. Delhi, India or the Taj Mahal in India, a short distance south of Delhi
18. Persepolis, modern day Shiraz, Iran
19. Jerusalem, Israel (This is possibly the one from AC 1 which was destroyed modern day in the DIA accident by Abstergo (this is the one Ezio found in the secret library of Altair))
20. Around the area of the Igara Parana River, Colombia
21. Nazca, Perú (remember the Nazca bird this P.O.E is a Crystal Skull making the user capable of telepathic thought)
22. South-western Sri Lanka
23. Hellissandur, Iceland
24. The area of Sabiene Island, Nunavut, Canada
25. Around Phoenix, Arizona, United States
26. Washington, D.C., United States
27. Juneau, Alaska, United States
28. In Padang West Sumatera and about Mid until East Java island, Indonesia
29. The middle of the South Pacific Ocean
30. The Pacific Ocean, close to the coast of Mexico
31. The South Pacific Ocean, near the coast of the Easter Island and Chile
32. The Atlantic Ocean, in an area where Atlantis was believed to have existed
33. The Atlantic Ocean, a few hundred miles off the coast of Brazil
34. The Antarctic Ocean, on the side of Antarctica facing up towards the Atlantic
35. The Indian Ocean, almost cross sectioned with the tips of India, Africa and the southwestern tip of Australia - a small island called Ile Amsterdam
36. The Antarctic Ocean, the side of the Antarctic ocean that faces up towards the Indian Ocean
37. Arkangelsk, Russia (Tunguska incident?)
38. Andorra le Vella, Andorra
39. Sao Paolo, Brazil
40. Barrow, Alaska
41. La Rioja, Argentina
42. Hervey Bay, Queensland, Australia
43. Uluru/Ayers Rock, Northern Territory, Australia
44. Somewhere in Padang, Sumatra, Indonesia
45. Beijing, China (Last known owner was Hitler)
46. Somewhere in the Altay Mountains in southwestern Mongolia
47. Somewhere along the northern Coast of Chukotka province, Russia
48. An area close to Tiksi, Russia