Torres del Paine National Park, Chilean Patagonia.

Beach Cathedral - Spain

Trotternish Ridge, Isle of Skye, Scotland. Photo via adialogue.

Iguazu Falls, on the border of Brazilian State Paraná and Argentine Province Misiones. The falls are shared by the Iguazú NP (Argentina) and Iguaçu NP (Brazil), both UNESCO World Heritage Sites. Can be reached from Puerto Iguazú in Argentina and Foz do Iguaçu in Brazil, as well as from Ciudad del Este, Paraguay.

Marble Caves, Chile Chico, Chile

Let There Be Light - Son Hang Doong the World's Largest Cave - National Park Phong Mha Ke Bang - Vietnam - by Ryan Deboodt on 500px

Yoho National Park, Canada

Patagonia, Chile

Zion National Park, Utah

Badlands National Park, South Dakota

Patagonia, Chile

Chile, Patagonia, Lake Carrera, Marble Caves - http://www.travelandtransitions.com/destinations/destination-advice/latin-america-the-caribbean/chile-travel-guide-santiago-the-andes-mountains-easter-island-valparaiso-patagonia-tierra-del-fuego-and-much-more/

Patagonia

Havasu Falls, Grand Canyon National Park, Arizona

Torres del Paine, Patagonia, Chile.

Canaima National Park, Venezuela.

Plitvice National Park, Croatia