Striking Limestone Rock Formation Eroded by Wind and Sea on Ward Beach, Marlborough, New Zealand

Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America

Mountainscape viewed from the top of Harrat volcanic plateau, AlUla, Medina Province, Saudi Arabia

Rock formations in the oasis Tigui, Tibesti Mountains, Chad

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

Our Habitas AlUla, a sustainable desert luxury resort in an ancient oasis in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia

Petrified Waterfall at dusk, Hierve el Agua, San Lorenzo Albarradas, Oaxaca State, Mexico

Cave of Elafonisos island with orange rock color painted in white, Greece

East Mitten Butte, Monument Valley, Arizona, United States of America, North America

Beautiful rock formations in the desert of the American Southwest from above using a drone

Volcanic rock formations, Ilheus da Rib rock needle, Ribeira da Janela cliff, Lanceiros, Madeira, Portugal, Europe

Rock formations in the American Southwest

View from Cape Dyrholaey at sunrise, rock formations Reynisdrangar and Mount Reynisfjall, Vik i Myrdal, Suourland, Iceland, Europe

View from Cape Dyrholaey, rock formations Reynisdrangar and Mount Reynisfjall, Vik i Myrdal, Suourland, Iceland, Europe

View from Cape Dyrholaey at sunrise, rock formations Reynisdrangar and Mount Reynisfjall, Vik i Myrdal, Suourland, Iceland, Europe

Antoni Gaudi's Basilica La Sagrada Familia sits beneath a striking cloud formation

BULGARIA Sofia Guard of honour marching during changing of the guard outside the Presidency Building Honor Travel Tourism Holiday Vacation Explore Recreation Leisure Sightseeing Tourist Attraction Tour Sofia Capital City Bulgaria Bulgarian East Eastern Europe European Calendar Vivid Vibrant Stunning Dramatic Striking Summer Bright Sunny Sun History Historic Historical National Patriotic Country Ceremony Ceremonial War Uniform Cap Helmet Tunic Power Authority Military Army Warfare Strength Soldiers Presidential Presidency President Guard of Honour Honor Marching March Goose Step Goose-step Stepping Sentry Protect Protection Defend Defence Guardsmen Guardsman Security Outside Outdoors External Exterior Serve Safeguard Pavement Sidewalk Changing Formation Street Boots Gun Rifle Arms Bayonet Feather Men Man Male Defense Eastern Europe