As promised a list of the pairs I believe are hidden throughout the images. Some I'm 100% certain about, others a lot less.
1
Landmass in the clouds (12)
Single Latin word (18)
Person floating amid stars/points of light (22)
2
Nefertiti (23)
Giant eye (11)
Keys (21)
Pyramid (5)
3
Constellation/starsign (24)
4
Birds eye view of the location (22)
Full moon (9)
Abstract depiction of a star (20)
5
Pyramid (2)
Flying beetle (7)
Red herring (9)
6
Reference to the prize of a famous treasure hunt (7)
Swing (21)
Partial native American costume (16)
7
Reference to the prize of a famous treasure hunt (6)
Flying beetle (5)
Watch (20)
8
Ring on the ground (24)
White horse (17)
Dead tree (12)
9
Oval frame (18)
Full moon (4)
Red herring (5)
10
Year (15)
Hanging from chains (21)
Floor made of stones (23)
11
Hidden road map (19)
Giant eye (2)
Giant open hand (20)Northamptonshire (17)
12
Landmass in the clouds (1)
Dead tree (8)
Crown (16)
Skull (17)
13
Frame (20)
Sword (19)
Small stone construction in background (24)
14
Constellation as motes of light (19)
15
Year (10)
Visual reference to a literary work by a regional author (18)
Sunbeams(16)
16
Partial native American costume (6)
Crown (12)
Sunbeams (15)
17
White horse (8)
Skull (12)
Northamptonshire(11)
18
Oval frame (9)
Single Latin word (1)
Visual reference to a literary work by a regional author (15)
Image contains solution/object to another puzzle (23)
19
Hidden road map (11)
Sword (13)
Constellation as motes of light (14)
Taurus symbol (21)
20
Giant open hand (11)
Partial eclipse (23)
Abstract depiction of a star (4)
Watch (7)
Frame (13)
21
Keys (2)
Swing (6)
Hanging from chains (10)
Taurus symbol (19)
22
Birds eye view of the location (4)
Person floating amid stars/points of light (1)
23
Nefertiti (2)
Partial eclipse (20)
Floor made of stones (10)
Image contains solution/object to another puzzle (18)
24
Constellation/starsign (3)
Ring on the ground (8)
Small stone construction in background (13)