The Acropolis is a flat-topped rock that rises 150 m (490 ft) above sea level in the city of Athens, with a surface area of about 3 hectares.

Cologne Cathedral is a Roman Catholic church in Cologne, Germany. It is the seat of the Archbishop of Cologne (currently Cardinal Joachim Meisner), and is under the administration of the Archdiocese of Cologne.

Prague Castle is a castle in Prague where the Kings of Bohemia, Holy Roman Emperors and presidents of Czechoslovakia and the Czech Republic have had their offices.

Brandenburg Gate is a former city gate and one of the main symbols of Berlin and Germany.

Empire State Building is a 102-story landmark Art Deco skyscraper in New York City, United States, at the intersection of Fifth Avenue and West 34th Street.

The Statue of Liberty is a colossal neoclassical sculpture on Liberty Island in New York Harbor, designed by Frédéric Bartholdi and dedicated on October 28, 1886.