Stock Footage0:07
Getty Images

Cave wall formed from merged limestone stalactites and stalagmites, Parque Natural Sierras Subbeticas (Cordoba), Andalucia, Spain

Pre-K - Higher Ed
Cave wall formed from merged limestone stalactites and stalagmites, Parque Natural Sierras Subbeticas (Cordoba), Andalucia, Spain
Stock Footage0:08
Getty Images

Volcanic Ash 1950's

Pre-K - Higher Ed
A Volcano erupts spewing ash in the 1950's.
News Clip1:00
Sherman Grinberg Film Library

Young man calls out the names of all 48 states alphabetically without stopping to breathe

Higher Ed
Title card: "US IN ONE BREATH! Simon Lachenbruch, of New Rochelle, NY, has 48 states on tip of his tongue" / CU Simon Lachenbruch takes in deep breaths and calls out the names of all 48 states, in alphabetical order, in one long breath /...
News Clip2:15
AFP News Agency

CLEAN : Danger and demons: Yemen's mysterious 'Well of Hell'

9th - Higher Ed
Surrounded in mystery and tales of demons, the Well of Barhout in Yemen's east -- known as the "Well of Hell" -- is a little-understood natural wonder (Footage by AFPTV via Getty Images)
Stock Footage0:32
Getty Images

Red volcanic lava or molten steel effect

Pre-K - Higher Ed
Red volcanic lava or molten steel effect
Stock Footage0:27
Getty Images

Desert red rock formations in early morning light with dramatic shadows - wide pan

Pre-K - Higher Ed
Desert red rock formations in early morning light with dramatic shadows - wide pan
Stock Footage0:19
Getty Images

WS PAN View of pinnacles in desert / Cervantes, Western Australia, Australia

Pre-K - Higher Ed
WS PAN View of pinnacles in desert / Cervantes, Western Australia, Australia
Stock Footage0:14
Getty Images

Planet Earth, Night To Day, fast animation

Pre-K - Higher Ed
Planet Earth, Night To Day, fast animation
Stock Footage0:14
Getty Images

WS Miners working at the sulfur extraction on the Ijen volcano / Ijen, Java, Indonesia

Pre-K - Higher Ed
WS Miners working at the sulfur extraction on the Ijen volcano / Ijen, Java, Indonesia
Stock Footage0:30
Getty Images

Grand Canyon tourists from a long distance

Pre-K - Higher Ed
Grand Canyon tourists from a long distance
Stock Footage0:11
Getty Images

WS T/L Clouds passing over high Himalayan mountain peaks near Kagmara La pass / High Himalayas,UpperDolpo, Nepal

Pre-K - Higher Ed
WS T/L Clouds passing over high Himalayan mountain peaks near Kagmara La pass / High Himalayas,UpperDolpo, Nepal
Stock Footage0:16
Getty Images

MS TU View of Volcanic Rock stratum in Yongmeori Dragonhead Coast / Seogwipo, Jeju-do, South Korea

Pre-K - Higher Ed
MS TU View of Volcanic Rock stratum in Yongmeori Dragonhead Coast / Seogwipo, Jeju-do, South Korea
Stock Footage0:14
Getty Images

WS View of active volcano at hawaiis volcanic national park / kauai, hawaii, united states

Pre-K - Higher Ed
WS View of active volcano at hawaiis volcanic national park / kauai, hawaii, united states
Stock Footage0:19
Getty Images

"Pan up cliff to ancient cliffside Chachapoya sarcophogi, bright sunshine, one has become the nest for a swarm of killer bees, Amazonas region of Peru [Perú]"

Pre-K - Higher Ed
'Pan up cliff to ancient cliffside Chachapoya sarcophogi, bright sunshine, one has become the nest for a swarm of killer bees, Amazonas region of Peru [Perú]'
Stock Footage0:29
Getty Images

WS, ZO, PAN, Nile River, Egypt

Pre-K - Higher Ed
WS, ZO, PAN, Nile River, Egypt
Stock Footage0:29
Getty Images

Wind Swept Sand Dunes

Pre-K - Higher Ed
Wind swept sand dunes in the Monahans State Park in Texas
Stock Footage0:49
Getty Images

WS View of Polar Bear walking on ice / Svalbard, Spitsbergen, Norway

Pre-K - Higher Ed
WS View of Polar Bear walking on ice / Svalbard, Spitsbergen, Norway
Stock Footage1:09
Getty Images

WS, PAN, Palm trees growing along Nile River, hills in background, Egypt

Pre-K - Higher Ed
WS, PAN, Palm trees growing along Nile River, hills in background, Egypt
Stock Footage0:35
Getty Images

WS, Felucca boat on Nile River, Cairo, Egypt

Pre-K - Higher Ed
WS, Felucca boat on Nile River, Cairo, Egypt
Stock Footage0:38
Getty Images

AERIAL, Coastal cliffs and Sainte-Honorine-des-Pertes, Normandy, France

Pre-K - Higher Ed
AERIAL, Coastal cliffs and Sainte-Honorine-des-Pertes, Normandy, France
Stock Footage0:19
Getty Images

WS, Canada, British Columbia, Islands and hills in ocean

Pre-K - Higher Ed
WS, Canada, British Columbia, Islands and hills in ocean
Stock Footage0:30
Getty Images

WS, PAN, Nile River at sunset, Egypt

Pre-K - Higher Ed
WS, PAN, Nile River at sunset, Egypt
Stock Footage0:21
Getty Images

WS View of the fantastic rock landscape of the Calanche of Piana, UNESCO World Heritage Site / Gulf of Porto, Corsica, France

Pre-K - Higher Ed
WS View of the fantastic rock landscape of the Calanche of Piana, UNESCO World Heritage Site / Gulf of Porto, Corsica, France
Stock Footage0:30
Getty Images

HD Video of Rano Kau Volcano, Easter Island, Chile

Pre-K - Higher Ed
HD Video of Rano Kau Volcano, Easter Island, Chile