A guard stands in front of the Gate of Heavenly Peace at the Forbidden City Palace Museum, Beijing, China, Asia

Swiss guards, St. Peter's Square, Vatican City, Rome, Lazio, Italy, Europe

Meerkat (suricate) (Suricata suricatta) on sentry duty, Addo Elephant National Park, South Africa, Africa

Carriage leaving Buckingham Palace, London, England, UK

the sentry box of Scalo Pennisi, Santa Tecla, Acireale, Catania, Sicily, Italy

the sentry box of Scalo Pennisi, Santa Tecla, Acireale, Catania, Sicily, Italy

Evzons, Greek guards, Syndagma, Parliament, Athens, Greece, Europe

A guard stands infront of the Gate of Heavenly Peace at the Forbidden City Palace Museum, Beijing, China, Asia

Hassan Mosque and Tower, Rabat, Morocco, North Africa

Guard at the Greek Parliament, Athens, Greece, Europe

Guard, soldier on sentry duty, Royal Palace and castle, Prague, Czech Republic, Europe

Sentry duty at Buckingham Palace, London, England, United Kingdom, Europe

Changing of the guard, Amalienborg Palace, Copenhagen, Denmark, Scandinavia, Europe

Palace guards outside first courtyard, Prague Castle, Prague, Czech Republic, Europe

Guard and sentry box, Buckingham Palace, London, England, UK, Europe

A Lifeguard of the Queen's Guards, in ceremonial dress on sentry duty, Horse Guards, Westminster, London, England, United Kingdom, Europe

View through sentry post window, Great Wall of China, built 1368, Mutianyu section, UNESCO World Heritage Site, Beijing, China, Asia

A sentry of the Welsh Guards at Windsor Castle, Windsor, Berkshire, England, United Kingdom, Europe

A Lifeguard of the Queen's Guards, in ceremonial dress on sentry duty, Horse Guards, Westminster, London, England, United Kingdom, Europe

Meerkat (Suricata suricatta) sentry, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa

Vedette watchtower (Gardjola sentry box) and Valletta Grand Harbour, Senglea, The Three Cities, Malta, Mediterranean, Europe

Grenadier Guards at Buckingham Palace, London, England, United Kingdom, Europe

Portrait of a guard in a bearskin busby standing in front of a sentry box outside Buckingham Palace, London, England, United Kingdom, Europe

Guards at Amalienborg Royal Palace, Copenhagen, Denmark, Scandinavia, Europe

Soldier standing guard in traditional dress, Mausoleum of Mohamed V, Rabat, Morocco, North Africa, Africa

A Pontifical Swiss guard in ceremonial uniform at St. Peter's Basilica, Vatican City, Rome, Lazio, Italy, Europe

Grenadier Guardsman outside Buckingham Palace, London, England, United Kingdom, Europe

A ceremonial guard at the Elysee Palace in Paris, France.

Royal Guard on duty at Mausoleum of Mohammed V, Rabat, Morocco, North Africa, Africa

Royal guards changing ceremony, Changdeokgung Palace, Seoul, South Korea, Asia

Ceremonial guard in sentry box at Christiansbourg Palace, Copenhagen, Denmark.

Mounted sentry at Royal Palace (Istana Negara), Kuala Lumpur, Malaysia, Southeast Asia, Asia

Traditional dressed guards in Fort George, Citadel Hill, a National Historic Site, Halifax, Nova Scotia, Canada, North America

Sentry in his sentry-box at Prague Castle, Prague, Czech Republic, Europe

Guard at Amalienborg, Copenhagen, Denmark, Scandinavia, Europe

Sentry at Government House, Suva, Viti Levu, Fiji, Pacific Islands, Pacific

Guards, Copenhagen, Denmark, Scandinavia, Europe

Royal Guard on duty at Mausoleum of Mohammed V, Rabat, Morocco, North Africa, Africa

Guard at Prague Castle, Prague, Czech Republic, Europe

Royal guards changing ceremony, Changdeokgung Palace, Seoul, South Korea, Asia

Swiss Guard at the Vatican gates, Vatican City, Rome, Lazio, Italy, Europe

Royal guards changing ceremony, Changdeokgung Palace, Seoul, South Korea, Asia

Royal guards changing ceremony, Changdeokgung Palace, Seoul, South Korea, Asia

A Horse Guard in Whitehall, London, England, United Kingdom, Europe

Fort Ingall, Temiscouata sur le Lac, Quebec Province, Canada, North America

Fort Ingall, Temiscouata sur le Lac, Quebec Province, Canada, North America

Royal guard, Changdeokgung Palace, Seoul, South Korea, Asia

Sentry duty at the Royal Palace, Oslo, Norway, Scandinavia, Europe

Presidential Palace, Cetinje, Montenegro, Europe

Presidential guard and sentry box in Hradcany, the castle district of Prague, Czech Republic, Europe

Guardsman, Tower of London, London, England, United Kingdom, Europe

A guard in front of the Municipal building in Nassau, Bahamas, West Indies, Caribbean, Central America

Guard at St. James's Palace, London, England, United Kingdom, Europe

Ceremonial guard at the Citadel, Quebec city, Quebec state, Canada, North America

Guard at the Royal Palace, Bangkok, Thailand, Southeast Asia, Asia

Guard at St. James's Palace, London, England, United Kingdom, Europe

Guard at the Royal Palace, Bangkok, Thailand, Southeast Asia, Asia

Guard at St. James's Palace, London, England, United Kingdom, Europe

Greek soldier, an Evzone, on sentry duty outside the Parliament building, Athens, Greece

Detail of Tlingit totem pole at Saxman Totem Park, Ketchikan, Alaska.

Tlingit totem pole at Saxman Totem Park, Ketchikan, Alaska..

Sunset Lighthouse Istanbul Turkey

Sunset Nugget Point Lighthouse New Zealand

Nugget Point Lighthouse New Zealand

Lighthouse Westerhever North Sea Germany

Sunset, Cape Ann Lighthouse, Gloucester, Massachusetts, USA

Lighthouse Portland Harbor ME USA

Prague Castle Guard, Hradcany, Prague, Czech Republic

Guard, Royal Guardsman in front of the Royal Palace, Oslo, Noru, Norway

Soldier in front of Mao portrait, Beijing, China

Changing of the Guards, Evzoni Soldier, Syntagma square, Athens, Greece

Castle guard in front of the Royal Palace, Oslo, Norway

A Soldier on duty in Beijing, China

Duty change of royal guards in front of Amalienborg palace, Copenhagen, Denmark

Duty change of royal guards in front of Amalienborg palace, Copenhagen, Denmark

A guard standing at the grave of the unknown soldier, Moscow, Russia

Indian soldier keeping watch in front of a Buddhist prayer wheel, Leh, Northern India, India, Himalayas

The Royal Guards in red uniform on horses, The Life Guards, Household Cavalry Mounted Regiment, parade ground Horse Guards Parade, Changing of the Guard, Old Admiralty Building, Whitehall, Westminster, London, England, United Kingdom, Europe

The Royal Guards in red uniform on horses, The Life Guards, Household Cavalry Mounted Regiment, parade ground Horse Guards Parade, Changing of the Guard, Old Admiralty Building, Whitehall, Westminster, London, England, United Kingdom, Europe

The Royal Guards in red uniform on horses, The Life Guards, Household Cavalry Mounted Regiment, parade ground Horse Guards Parade, Changing of the Guard, Old Admiralty Building, Whitehall, Westminster, London, England, United Kingdom, Europe

Honorary Guard of the Mongolian Armed Forces in front of the Parliament building on Sukhbaatar Square, Ulan-Bator, Mongolia, Asia

Changing of the guards in front of Parliament, Evzones at the Tomb of the Unknown Soldier on Syntagma Square in Athens, Greece, Europe

Vietnamese sentries in front of the noon gate, changing of the guard, citadel Hue, imperial palace Hoang Thanh, Hue, Vietnam, Asia

Evzone soldiers performing change of guard, Athens, Greece, Europe

Presidential Guard in historical uniform on Plaza Murillo square, La Paz, Bolivia, South America

Palace guard during the changing of the guard, Udaipur, Rajasthan, India, Asia

Palace guards, Prague Castle, Hradschin, Castle District, Prague, Central Bohemia, Czech Republic, Eastern Europe

Presidential Guard in historical uniform on Plaza Murillo square, La Paz, Bolivia, South America

Main Square, Hlavne namestie, sculpture, Bratislava, Slovakia

Ho Chi Minh Mausoleum, Hanoi, Vietnam, Asia

Sentry-box, Tower la Tour Bellanda, Nice, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, Southern France, France, Europe

NATO reconnaissance aircraft Awacs, Boeing E-3A Sentry (707-320) LX-N 90443

A guard stands in a sentry box at Prague Castle, Prague, Czech Republic, Europe

An adult Bald Eagle (Haliaeetus leucocephalus) assumes the sentry position as one of its juviniles prepares to fledge from the nest on the gulf coast of Florida. The symbol of America was removed from the endangered species list in the lower 48 , a status it has held since 1967, after its numbers increases from just over 400 nesting pair ro about 10,000 in the lower 48.

HOLIDAY, FL - MARCH 20, 2017: An adult bald eagle Haliaeetus leucocephalus post sentry near it's nest on the Gulf of Mexico shore in Holiday, FL

Red Fox (Vulpes Vulpes) On Sandstone Boulder, Utah, Usa

Red Fox (Vulpes Vulpes), Utah, Usa

Coyote (Canis Latrans) At Edge Of Forest, Montana, Usa

BULGARIA Sofia Guard of honour 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 Striking National Patriotic Country Ceremony Ceremonial War Uniform Tunic Power Authority Military Army Warfare Strength Soldier Presidential Presidency President Guard of Honour Honor Sentry Protect Protection Defend Defence Guardsmen Guardsman Security Outside Outdoors External Exterior Serve Safeguard Gun Rifle Arms Bayonet Man Male Red White Glove Gloved Hand Braid Pattern Patterned Tassel Standing Stood Stand Upright Vertical Attention Resplendent Neat Tidy Smart Defense Eastern Europe

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