Metro station in Naples, Italy
Source: reddit.com
La Sagrada Família Church in Barcelona, Spain
Source: wanderful-world.com
Chamber of Human Rights and the Alliance of Civilizations at the United Nations in Geneva, Switzerland
Source: flickr.com
Admont Abbey Library, Austria
Source: lumas.com
Terrace at the Gramercy Park Hotel in New York City
Source: gramercyparkhotel.com
Mirror Room of the Royal Palace in Brussels, Belgium (the green is actually made from 1.6 million beetles)
Source: fromtheretoheretheblog.com
Hall of Ambassadors at the Alcázar of Seville, Spain
Source: nimbustier.net
National Assembly Building in Wales
Source: ribaproductselector.com
Gran Hotel Ciudad de Mexico, Mexico City
Source: flickr.com
Summer Palace in Beijing, China
Source: flickr.com
Trinity College Library in Ireland
Source: travel-junkies.com
Glass ceiling by Chihuly at the Bellagio Hotel in Las Vegas
Source: panoramio.com
Victorian State Library, Australia
Source: wikimedia.org/
Pool at the Lausanne Palace & Spa in Switzerland
Source: reddit.com
Hall of Mirrors at Versailles in France
Source: outandaboutinparis.com
Salon Urbain in Montreal, Canada
Source: contemporist.com
Abbey Library of Saint Gall in Switzerland
Source: fomedelivros.com
Shāh Chérāgh mosque in Shiraz, Iran
Source: reddit.com
Tiffany & Company tile mosaic at the Marshall Field's Building in Chicago, Illinois
Source: blueprintchicago.org
Galeries Lafayette in Paris
Source: 500px.com
Los Angeles Public Library
Source: themarkeworld.com
Entrance at a home in Cape Town, South Africa
Source: saota.com
Hall of the Two Sisters at Alhambra in Spain
Source: lightslant.wordpress.com
Cosmovitral in Toluca, Mexico
Source: 500px.com
Bank of Commerce Building in Toronto, Canada
Source: tayloronhistory.com
The Peacock Room at Sammezzano Castle in Italy
Source: inspir3d.net
British Museum in London
Source: wikimedia.org
Elektrozavodskaya Metro Station in Moscow, Russia
Source: 500px.com
Marrakech Menara Airport in Morocco
Source: skyscrapercity.com
Nishi Grand Stair Interior in Canberra, Australia
Source: http://www.archdaily.com/515326/hotel-hotel-lobby-and-nishi-grand-stair-interior-march-studio/
The Sistine Chapel
Source: romandream.info