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

The Washington Monument is the world's tallest stone structure and obelisk.

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

Tokyo Skytree is a broadcasting and observation tower in Sumida, Tokyo.

The Space Needle is an observation tower in Seattle, Washington, a landmark of the Pacific Northwest, and an icon of Seattle.

Tokyo Tower is a communications and observation tower in the Shiba-koen district of Minato, Tokyo, Japan.

The Fernsehturm is a television tower located in central Berlin, Germany.

The Canton Tower is a landmark of Guangzhou with multi-functional facilities including broadcasting, restaurants, and observation decks.

The Galata Tower is a nine-story tower that provides panoramic views of the historic city of Istanbul and its surrounding areas.

Coit Tower, also known as the Lillian Coit Memorial Tower, is a 210-foot (64 m) tower in the Telegraph Hill neighborhood of San Francisco, California.