2. Tourist Attractions around the World

3. George WashingtonThomas Jefferson Theodore Roosevelt Abraham Lincoln

4. The Black Hills of South Dakota have always held a special meaning. Mount Rushmore stands was built to embody the spirit of the foundation, preservation, and expansion of the United States. There is no greater monument to American expansionists' efforts to tame the wild and rugged terrain of the West.

5. It took 14 years for sculptor Gutzon Borglum and his crew to carve 60-foot tall faces of four U.S. Presidents — George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln — into a wall of exposed granite.

6. The Sydney Opera House is located in SydneySydney, New South Wales, Australia.New South WalesAustralia

7. It is one of the most distinctive and famous 20th century buildings,20th century and one of the most famous performing arts venues in the world.performing arts

8. The Opera House covers 1.8 hectares (4.5 acres) of land and offers 4.5 hectares (11 acres) of usable office space. It is 183 metres (600 feet) long and about 120 metres (388 feet) wide at its widest point.

10. The Pyramids, according to common perception, were built with the help of great armies of slaves, by the ancient pharaohs of Egypt as tombs for preserving their royal bodies.

11. It's the world's oldest, largest, and most mysterious structure. Thirty times larger than the Empire State Building, the Pyramid's features are so large they can be seen from the Moon.

12. There are three pyramids at Giza, the pyramids of Khufu, Chephren and Menkaure. The pyramid of Khufu is the biggest of all.