Bennett's Cross, an ancient granite monument, in winter snow, near Warren House, Dartmoor National Park, Devon, Great Britain.

Architectural detail of the Helmsley Building, built in 1929 as the New York Central Building and designed by Warren and Wetmore in the Beaux-Arts style, a 35-story skyscraper just north of Grand Central Terminal, in Midtown Manhattan, New York City, United States of America, North America

Paseo de la Reforma Mexico City Mexico

Monument Valley AZ

Betatakin, one of two large Anasazi cliff dwellings at Navajo National Monument in northeastern Arizona

Organ pipe cactus in Organ Pipe Cactus National Monument, southern Arizona

Prehistoric pictographs, Canyon de Chelly National Monument, Arizona

Prehistoric ruins at El Morro National Monument near Gallup, New Mexico

Local teenagers visit the Taj Mahal, Agra, India

Prehistoric Fremont rock art (petroglyphs) in Dinosaur National Monument in Utah and Colorado

Great Sand Dunes National Monument in the San Luis Valley, Colorado. The highest sand dunes in North America are found here.

Keet Seel, one of two large Anasazi cliff dwellings at Navajo National Monument in northeastern Arizona

A Minaret at the Taj Mahal, Agra, India

Paris' most famous avenue, Avenue des Champs Elysees, as seen from the top of the Arc de Triomphe at night, Paris, France

Mount Rushmore in the Black Hills near Rapid City, South Dakota

Betatakin, one of two large Anasazi cliff dwellings at Navajo National Monument in northeastern Arizona

Sunset at Monument Valley in Utah and Arizona on the Navajo Indian Reservation

Prehistoric Fremont rock art (petroglyphs) in Dinosaur National Monument in Utah and Colorado

Vandalized Indian monument on an Indian Reservation, South Dakota

Statue at Gettysburg National Military Park

Statue at Gettysburg National Military Park

Statue at Gettysburg National Military Park