Finally taking the time to document: The "Mars Caves" (found on Google Earth:Mars)

(some are more obvious than others -- each cave located in the "center" of each screenshot)

The caves run in a fairly straight line for ~150 miles (~245k km)...

Cave Entrances (High Level):

Each cave opening is ~300 feet ( ~92 meters) wide...

Cave Entrance #1

Latitude: 41°46'55.85"N

Longitude: 23°53'1.24"E

Cave Entrance #2

Latitude: 43°47'19.86"N

Longitude: 23°43'39.23"E

Cave Entrance #3

Latitude: 44°18'20.38"N

Longitude: 23°41'9.71"E

Cave Entrance #4

Latitude: 44°20'49.18"N

Longitude: 23°40'58.77"E

Cave Entrance #5

Latitude: 44°23'59.91"N

Longitude: 23°40'43.51"E

Cave Entrance #6

Latitude: 45° 0'37.45"N

Longitude: 23°37'29.12"E

Cave Entrance #7

Latitude: 45° 2'34.76"N

Longitude: 23°37'17.95"E

Cave Entrance #8

Latitude: 45°42'39.48"N

Longitude: 23°33'30.57"E

Cave Entrance #9

Latitude: 45°46'4.46"N

Longitude: 23°33'12.14"E

Cave Entrance #10

Latitude: 45°56'55.28"N

Longitude: 23°32'13.24"E

SOURCE: You may verify these images by downloading Google Earth and then selecting "Mars" in the planet selector:

Just sayin! :O