Alan Cressler:
1 kilometer long old railway tunnel, Karangahake Gorge Historic Walkway, Karangahake Gorge, Karangakake Historic Reserve, Hauraki District, Waikato, New Zealand 1
Alan Cressler:
34th Unnamed Cave, Historic Markings, Marion County 1
Alan Cressler:
60th Unnamed Cave, Historic Graffiti, Tennessee 1
Alan Cressler:
60th Unnamed Cave, Historic Graffiti, Tennessee 1
Alan Cressler:
60th Unnamed Cave, Historic Graffiti, Tennessee 4
Alan Cressler:
62nd Unnamed Cave, Grundy County, Tennessee, L to R, Joe Douglas, Brian Roebuck, Lynn Roebuck 1
Alan Cressler:
62nd Unnamed Cave, Saltpeter Paddle, Grundy County, Tennessee 2
Alan Cressler:
62nd Unnamed Cave, Saltpeter Vat, And Wooden Trough, Grundy County, Tennessee, Joe Douglas 2
Alan Cressler:
62nd Unnamed Cave, Saltpeter Vats, Grundy County, Tennessee, Lynn Roebuck 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee, Kristen Bobo, And Marion Smith 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee, Lynn Roebuck 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee, Marion Smith 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 1, Black and White
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 2
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 2, Black and White
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 3
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 3, Black and White
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 4
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 4, Black and White
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 5
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 5, Black and White
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 6
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee 6, Black and White
Alan Cressler:
1887 lighthouse, isla caja de muertos, reserva natural de isla caja de muertos, caribbean sea, municipio de ponce, puerto rico 1
Alan Cressler:
airplane wreckage, Paulding Forest Wildlife Management Area, Paulding County, Georgia 1
Alan Cressler:
airplane wreckage, Paulding Forest Wildlife Management Area, Paulding County, Georgia 2
Alan Cressler:
Akers Mill, raceway, Rottenwood Creek Gorge, Chattahoochee River National Recreation Area, Cobb County, Georgia 1
Alan Cressler:
Akers Mill, raceway, Rottenwood Creek Gorge, Chattahoochee River National Recreation Area, Cobb County, Georgia 2
Alan Cressler:
Akers Mill, Rottenwood Creek Gorge, Chattahoochee River National Recreation Area, Cobb County, Georgia 1
