Washington DC

Main rotunda of the Museum of Natural History, Washington, DC

Stuffed animals on display in the Museum of Natural History, Washington, DC

Oceans exhibit area of the Museum of Natural History, Washington, DC

Gemstones on exhibit at the Museum of Natural History, Washington, DC

Gemstones on exhibit at the Museum of Natural History, Washington, DC

Gemstones on exhibit at the Museum of Natural History, Washington, DC

Oceans exhibit area of the Museum of Natural History, Washington, DC

Inland bearded dragon ( Pogona vitticeps), National Zoo, Washington, D.C.

Boa Constrictor (Boa constrictor) eating a white mouse, National Zoo, Washington, D.C.

Yellow-spotted Amazon River turtles (Podocnemis unifilis) mating, National Zoo, Washington, D.C.

Green tree python (Morelia viridis) eating a mouse, National Zoo, Washington, D.C.

Grand Cayman or Blue Iguana (Cyclura lewisi), National Zoo, Washington, D.C.

Grand Cayman or Blue Iguana (Cyclura lewisi), National Zoo, Washington, D.C.

Grand Cayman or Blue Iguana (Cyclura lewisi), National Zoo, Washington, D.C.

Grand Cayman or Blue Iguana (Cyclura lewisi), National Zoo, Washington, D.C.

Aldabra Tortoise (Geochelone gigantea), National Zoo, Washington, D.C.

Australian snake-necked turtle (Chelodina longicollis), National Zoo, Washington D.C.

Degu (Octodon degus), National Zoo, Washington, D.C.

Rock dassie (Procavia capensis), National Zoo, Washington, D.C.

Northern Tree Shrew (Tupaia belangeri), National Zoo, Washington, D.C.

Von der Decken's Hornbill (Tockus deckeni), National Zoo, Washington, D.C.

Golden-headed lion tamarin (Leontopithecus chrysomelas), National Zoo, Washington, D.C.

Cheetahs (Acinonyx jubatus), National Zoo, Washington, D.C.

Cheetahs (Acinonyx jubatus), National Zoo, Washington, D.C.

Cheetah (Acinonyx jubatus), National Zoo, Washington, D.C.

California Sea Lion (Zalophus californianus), National Zoo, Washington D.C.

Sumatran tiger (Panthera tigris sumatrae), National Zoo, Washington, D.C.

Sumatran tiger (Panthera tigris sumatrae), National Zoo, Washington, D.C.

Sumatran tiger (Panthera tigris sumatrae), National Zoo, Washington, D.C.

Florida soft-shelled Turtle (Apalone ferox), National Zoo, Washington, D.C.

Grand Cayman or Blue Iguana (Cyclura lewisi), National Zoo, Washington, D.C.

Green tree python (Morelia viridis), National Zoo, Washington, D.C.

Emerald tree boa (Corallus caninus), National Zoo, Washington, D.C.

Unidentified snake, National Zoo, Washington, D.C.

Female African lion (Panthera leo leo), National Zoo, Washington, D.C.

Sumatran tiger (Panthera tigris sumatrae), National Zoo, Washington, D.C.

Male African lion (Panthera leo leo), National Zoo, Washington, D.C.

Male African lion (Panthera leo leo), National Zoo, Washington, D.C.

Male African lion (Panthera leo leo), National Zoo, Washington, D.C.

Asian elephant (Elephas maximus), National Zoo, Washington D.C.

Cheetah (Acinonyx jubatus), National Zoo, Washington, D.C.

Speke's Gazelle (Gazella spekei), smallest Gazelle, National Zoo, Washington, D.C.

Cheetah (Acinonyx jubatus), National Zoo, Washington, D.C.

California Sea Lion (Zalophus californianus), National Zoo, Washington D.C.

Lotus flower, National Zoo, Washington, D.C.

Lotus flower, National Zoo, Washington, D.C.

White's treefrog (Pelodryas caerulea), National Zoo, Washington, D.C.

Merten's Water Monitor,

Ring-tailed Lemur (Lemur catta), National Zoo, Washington, D.C.

Black-tailed Prairie Dog (Cynomys ludovicianus), National Zoo, Washington D.C.

Western Lowland Gorilla (Gorilla gorilla gorilla), National Zoo, Washington, D.C.

Western Lowland Gorilla (Gorilla gorilla gorilla), National Zoo, Washington, D.C.

Fishing Cat (Prionailurus viverrinus), National Zoo, Washington, D.C.

Fishing Cat (Prionailurus viverrinus), National Zoo, Washington, D.C.

Red panda (Ailurus fulgens), National Zoo, Washington, D.C.

American bullfrog (Rana catesbeiana), National Zoo, Washington D.C.

California Sea Lion (Zalophus californianus), National Zoo, Washington D.C.

Inland bearded dragon ( Pogona vitticeps), National Zoo, Washington, D.C.

Unidentified snake, National Zoo, Washington D.C.

Western crowned Pigeon (Goura cristata), National Zoo, Washington D.C.