Changing of the Guard at the Tomb of the Unknown Soldier in Syntagma Square with the Old Royal Palace, Athens, Greece, Europe

Overview of Persepolis from Tomb of Artaxerxes III, Palace of 100 Columns in foreground, UNESCO World Heritage Site, Iran, Middle East

Overview of Persepolis from Tomb of Artaxerxes III, Palace of 100 Columns in centre, Treasury in foreground, UNESCO World Heritage Site, Iran, Middle East

Nabatean Palace Tomb and Corinthian Tomb, 1st century AD, on the east cliff of Wadi Musa, Petra, Jordan

Palace Tomb, Royal Tombs, Petra, UNESCO World Heritage Site, Jordan, Middle East

Tomb of the king's late sister, Royal Palace, Phnom Penh, Cambodia, Indochina, Southeast Asia, Asia

Corinthian Tomb, Petra, UNESCO World Heritage Site, Ma'an Governorate, Jordan, Middle East

Palace and Corinthian Tombs, Petra, UNESCO World Heritage Site, Ma'an Governorate, Jordan, Middle East

Palace of the Popes, Avignon, UNESCO World Heritage Site, Vaucluse, Provence-Alpes-Cote d'Azur, France, Europe

Glimpse of the Treasury from the Siq, Petra, UNESCO World Heritage Site, Jordan, Middle East

Tomb of a Cambodian king, Phnom Penh, Cambodia, Indochina, Southeast Asia, Asia

The Treasury, Petra, UNESCO World Heritage Site, Jordan, Middle East

Palace tomb and royal tombs, Petra, UNESCO World Heritage Site, Jordan, Middle East

Palace tomb and royal tombs, Petra, UNESCO World Heritage Site, Jordan, Middle East

Palace tomb at sunset, Petra, UNESCO World Heritage Site, Jordan, Middle East

The Taj Mahal view and Yamuna River at sunset from Agra Fort, Khas Mahal Palace, India

Guards in front of the Tomb of the Unknown Soldier with the old Palace Parliament behind in Athens, Greece, Europe

Bran Castle or Draculaís Castle, stone cross at front, Wallachia, Carpathian Mountains, Romania

Grave figure of Queen Louise of Prussia, Princess of Mecklenburg-Strelitz, in the Luisentempel temple in the palace gardens, copy of the original by Christian Daniel Rauch, Neustrelitz, Mecklenburg Lake District, Mecklenburg-Western Pomerania, Germany, Eu

The Chapel at Frederiksborg Castle, Hillerod, Denmark, Europe

Arch with carved marble window Mughal style Humayun's tomb, Delhi

Rock of Cashel or Cashel of the Kings the seat of the Kings of Munster, Cashel, Tipperary, Ireland

Palace Tomb, with pilasters, engaged columns, Petra, the capital city of the Nabataeans, rock city, UNESCO World Hertage Site, Wadi Musa, Hashemite Kingdom of Jordan, Orient, Middle East, Asia

Rock of Cashel or Cashel of the Kings the seat of the Kings of Munster, Cashel, Tipperary, Ireland

Palace Tomb, with pilasters, engaged columns, Petra, the capital city of the Nabataeans, rock city, UNESCO World Hertage Site, Wadi Musa, Hashemite Kingdom of Jordan, Orient, Middle East, Asia

Interior view of the Palace of the Shirvanshahs, Shirvan Shahs, Baku, Azerbaijan, Middle East

Grave plate for the heart of the Duke Henry III, Ulrich Chapel, Imperial Palace, Goslar, Harz, Lower Saxony, Germany, Europe

Taj Mahal on the banks of the River Yamuna, Agra, India

Tu Duc's tomb, also known as the Summer Palace, in Hue, Vietnam

Tu Duc's tomb, also known as the Summer Palace, in Hue, Vietnam

Tu Duc's tomb, also known as the Summer Palace, in Hue, Vietnam

Tu Duc's tomb, also known as the Summer Palace, in Hue, Vietnam

The Archbishop's Palace with beautiful carved wooden balconies next to the Cathedral on the Plaza de Armas, Colonial Architecture, Lima, Peru