Architectural detail of the ceiling of Saint Peter's Basilica in Vatican City, the papal enclave in Rome, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

The Global Seed Vault just outside the town of Longyearbyen on the island of Spitsbergen in Svalbard, Norway, Arctic, Europe

Cathedral of Santiago de Compostela (Cathedral of Saint James of Compostela), UNESCO, Santiago de Compostela, Galicia, Spain

Stockman's Hall of Fame, museum dedicated to the history of the outback settlers such as explorers, sheep shearers stockmen, Maltilda highway, Longreach, Queensland, Australia

Cloister of the Monastery of San Juan de los Reyes, Toledo, Castilla-La Mancha, Spain

Vaulted ceiling in the clothing bazaar, souk, in the historic center of Tripolis, Tripoli, Libya

Famous historic caravanserai, Han, Khan Assad Pacha, Damascus, Syria

Sake vault is a traditional Japanese alcoholic drink. drinking a cup of sake in the temple meant an act of unity with higher powers. The temple and shrine of Nikko Tosho-gu

Barcelona, Spain - 15 December 2019: Sagrada Familia interiors - columns, vaults, stained glass and ceiling in Barcelona, Spain, Europe

Warm sunlight streams through a window, illuminating the unique brick arches in the attic of casa mila, a famous architectural landmark in barcelona, spain

Artfully decorated vault, dome, St. Stephen's Basilica, interior view, Szent Istvan ter, Pest district, Budapest, Hungary, Europe

Steeple of the Basilica Santa Maria Novella in Florence, Italy, Europe

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

Artfully decorated vault, dome with window, St. Stephen's Basilica, interior view, Szent Istvan ter, Pest district, Budapest, Hungary, Europe

Upper cloister, Monastery of San Juan de los Reyes, Toledo, Castilla-La Mancha, Spain

Polychrome arabesque, cloister, Monastery of San Juan de los Reyes, Toledo, Castilla-La Mancha, Spain

Door of Veronica, cloister of the Monastery of San Juan de los Reyes, Toledo, Castilla-La Mancha, Spain

Gothic vault, completed in 1477, Lorenzkirche, Nuremberg, Bavaria, Germany, Europe

Vaulted ceilings, Basilica do Estrela Church, consecrated in 1790, tomb of Queen Mary I, Lisbon, Lisboa, Portugal, Europe

Piazza Mercato del Pesce - Fish Market Square in Trapani City, Trapani, Sicily, Italy