The Burj Khalifa is a megatall skyscraper in Dubai, United Arab Emirates.

The Eiffel Tower is a wrought-iron lattice tower on the Champ de Mars in Paris, France.

St. Peter's Basilica is the largest Christian church in the world.

Situated on the southeastern coast of the country, Sydney Opera House is a distinguishable architectural marvel.

The CN Tower is a 553.3 m-high concrete communications and observation tower located in Downtown Toronto, Ontario, Canada.

The Moscow Kremlin is a fortified complex in the center of Moscow, overlooking the Moskva River to the south.

Hearst Castle is a National Historic Landmark and California Historical Landmark mansion located on the central coast of California, United States.

The Brandenburg Gate is an 18th-century neoclassical monument in Berlin.

The Hollywood Sign is a large-scale outdoor sign that spells out 'HOLLYWOOD' in 45-foot tall white letters.

Persepolis is an ancient city that was once the capital of the Achaemenid Empire, and is situated in Iran's rural district of Kenareh.