Planet Earth

tour route

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Tour route, Chickamauga Battlefield, Chickamauga and Chattanooga National Military Park, Georgia and Tennessee.

Tour route, Chickamauga Battlefield, Chickamauga and Chattanooga Natio...

Scale ca. 1:55,000. LC Civil War Maps (2nd ed.), 162.9 Reprinted 1957. Illustrates descriptive brochure entitled "Chickamauga Battlefield, Chickamauga and Chattanooga National Military Park, Georgia and Tenness... More

Carbide-Marked Arrow - National Parks Gallery

Carbide-Marked Arrow - National Parks Gallery

Carbide-marked arrow found off the tour route as it is today. This is one of many arrows found in the caves which were used for explorers to find their way into and out of the cave.

19 - Floor Decorations - National Parks Gallery

19 - Floor Decorations - National Parks Gallery

This particular photo was taken in the Gypsum Annex Room, which is not on the formal tour route in Lehman Caves

17 - Helictites Defying Gravity

17 - Helictites Defying Gravity

This particular location of Helictites was taken in the West Room off the formal tour route in Lehman Caves

Jewel Cave Temporary stairs - Public Domain image, National Parks Gallery

Jewel Cave Temporary stairs - Public Domain image, National Parks Gall...

Temporary wooden stairs along the scenic tour route allow workers easier access as more permanent structures are constructed.

21 - Fragile Formations - National Parks Gallery

21 - Fragile Formations - National Parks Gallery

This particular photo was taken in the West Room, which is not on the formal tour route in Lehman Caves

18 - Fragile Decorations - National Parks Gallery

18 - Fragile Decorations - National Parks Gallery

This particular photo was taken in the West Room, which is not on the formal tour route in Lehman Caves

20 - Column with Color - Public Domain image, National Parks Gallery

20 - Column with Color - Public Domain image, National Parks Gallery

This particular photo was taken in the West Room, which is not on the formal tour route in Lehman Caves

Tour route planning - National Parks Gallery

Tour route planning - National Parks Gallery

Faint lines visible across the picture are strings and wires used to lay out the tour route, and for hanging temporary work lights.

Jewel Cave Stair construction - Public Domain image, National Parks Gallery

Jewel Cave Stair construction - Public Domain image, National Parks Ga...

Construction of the scenic tour route required paths to be cleared, rocks to be moved, and over 700 stairs to be installed along the approximately 0.5 mile route.

Wiring a cave - National Parks Gallery

Wiring a cave - National Parks Gallery

Many miles of wiring were required to install hundreds of electric lights along the tour route.

National parks: Luminaries - public domain image

National parks: Luminaries - public domain image

Streaks of light along the tour route. April 7, 2012.

Jewel Cave Concrete paths - Public Domain image, National Parks Gallery

Jewel Cave Concrete paths - Public Domain image, National Parks Galler...

Concrete had to be poured and smoothed by hand. Every piece of construction material had to be carried in through the portal tunnel, and then by hand through the tour route.

Elevator Shaft Forms - National Parks Gallery

Elevator Shaft Forms - National Parks Gallery

Concrete being poured around the completed elevator shaft, large enough for two elevators to descend side by side 300' to the bottom of the new scenic tour route

Eastern small-footed bat (Myotis leibii), Mammoth Cave National Park, 2015.

Eastern small-footed bat (Myotis leibii), Mammoth Cave National Park, ...

This eastern small-footed bat was spotted during a recent bat monitoring sweep. It is the first documented sighting of this species along the historic tour route of Mammoth Cave. Information gathered while moni... More

Col. James L. Shelton reviews the tour route with Todd C. Mellon, acting assistant secretary of the Navy for energy, installations and environment, during a tour of Camp Johnson, N.C., May 30, 2019

Col. James L. Shelton reviews the tour route with Todd C. Mellon, acti...

CAMP LEJEUNE, N.C. (May. 30, 2019) Col. James L. Shelton, commanding officer of Marine Corps Combat Service Support Schools, reviews the tour route with Todd C. Mellon, acting assistant secretary of the Navy fo... More