• Africa

• Antarctica

• Australia

• Belize

• Canada

• China

• Great Britain

• Greenland

• Iceland

• Maldives

• New Zealand

• Phillipines

• Palau

• Russia

• South America

• United States

• Yucatan Peninsula

Australia 

• Ayer's Rock (Uluru)- An inselburg
• Great Barrier Reef and the Coral Sea
• Karst Topography
• Simpson Desert: Longitudinal sand dunes
• Shark's Bay - stromatolites
• The Pinnacles - Western Australia
• The 12 Apostles (sea stacks)

• The Bungle Bungles (Purnululu - The Beehives)

• Ningaloo Reef - whale sharks
• Aurora Australis
• The Termite Mounds

New Zealand

• The Moeraki Boulders

Antarctica

• Green Ice

Africa

• East African Rift - 
  continental rift valley
• Victoria Falls
• Tanzania's Lake Natron in full algal bloom
  JPL photo and info
• The Mineral Pools of the 
  Danakil Depression, Ethiopia
• The Travertine Chimneys of Lake Abbe, Djibouti

• Mt. Kilimanjaro

• Oldoinyo Lengai, Tanzania- 
  carbonate lava- 
   BLACK when its molten, 
  white or light grey after its cooled!!!!
• South Africa's Geologic Top Ten
  • Stromatolites
  • The Bushveld Complex
    - layered igneous intrusion
  • Diamond kimberlites
  • Gold

 

China

• The Tower Karst of Gui Lin

Phillipines

• The Chocolate Hills

Palau

• The Rock Islands

The Maldives

• Atolls

South America

• Iguazu Falls
• Tepui - like Monument Valley in a jungle
  cliff-slope differential weathering
• Galapagos Islands
  • active volcanoes
  • Darwin, of course
  • iguanas, hammerhead sharks and whale sharks

Yucatan Peninsula

• Karst Topography; sinkholes
• Chicxulub Crater

Belize

• Blue Hole

United States

• Hawaii 
  • active hot spot volcano; 
    Kilauea, Puu Oo, Mauna Ulu, Loihi
  • green sand beaches
• Grand Canyon
• Yellowstone hot springs and geysers
  • Grand Prismatic Spring, 
    Mammoth Hot Springs, Old Faithful, etc.
• Crater Lake
• Karst Topography
  • Florida
  • Bowling Green, Kentucky
  • Texas
  • Kaibab Plateau
• Ice Volcanoes of Lake Superior
• Racetrack, Death Valley - 
   Mysterious Moving Rocks
• Mima Mounds
• The Scablands, Washington
• Pumpkin Patch, 
  Anzo Borrego State Park
• Mono Lake Tufa Towers
• Rio Grande Rift
• Devil's Tower, Wyoming- 
  volcanic neck, hexagonal basalts
• Ship Rock, New Mexico - 
  volcanic neck, exposed dikes
• Meteor Crater, Arizona