+Greatest American landmarks
Immortalized in granite, the faces of four of America's greatest presidents blend in with the side of Mount Rushmore: the first president, the author of the Declaration of Independence, a progressive president and the 16th president
A national symbol of freedom, "Lady Liberty" stands in New York Harbor and has welcomed millions of visitors since 1886.
The second most visited home in America, Graceland, was residence to the King of Rock 'n' Roll
The most prominent structure in the nation's capital the 555-foot obelisk was built to honor America's first president
Visit this 600-foot-plus structure to get 360-degree views of the gorgeous city landscape. The Space Needle was built in 1962 for an international exposition
UFO enthusiasts flock to the area surrounding a remote military facility believed to hold secret evidence about extraterrestrials. The secrecy surrounding Area 51 has produced many conspiracy theories.
The tallest man-made monument in the United States, the Gateway Arch was built as a tribute to the westward expansion of the U.S.
Straddling the American-Canadian border, the waterfalls that make up Niagara Falls are known for their beauty and as a source of hydroelectric power.
Originally hung in Independence Hall, the Liberty Bell is a sign of American independence and was originally rung to call lawmakers to session.
The 600-foot porch, 385 rooms and the horse-drawn carriage attract visitors to the historic 19th-century Grand Hotel, including five U.S. presidents and foreign dignitaries, such as this foreign prime minister and a famed author.
This symbol of Texas' independence is part of a cluster of five missions, three of which are still used as chapels. Visitors remember the Alamo as the site where heroic men made the ultimate sacrifice for freedom
The Indianapolis Motor Speedway is home to the Indianapolis 500 and the Brickyard 400. The 400,000 seats make it the highest-capacity sports facility in the world.
One of the seven natural wonders of the world, the Grand Canyon cuts a majestic path through the American West.
Commonly known as "America's attic," the Smithsonian Institution Building houses administrative offices as well as a visitor center. Who is entombed there? It was the setting for a Hollywood movie
One of the most beautiful and most photographed bridges, the Golden Gate Bridge is frequently blanketed with a certain weather phenomenon in the Bay Area.
Located in Yellowstone National Park, this famous geyser faithfully erupts every 90 minutes on average.
No need to wait four years to get your Olympic fix. Get a peek at how the athletes train and check out Olympic history at the U.S. Olympic Complex.
In a 150-foot circle located in a redwood forest, the laws of physics are challenged. The Mystery Spot amazes visitors with its deviations from the normal conventions of gravity, perspective and height.
Get a taste of an amusement park in the middle of one of biggest cities in the United States. Enjoy attractions at the Navy Pier, such as a 15-foot Ferris wheel, an open-air skating rink and live entertainment.
Built during the Great Depression, this marvel of civil engineering was the first concrete structure of its kind. Some of the construction techniques used to build the Hoover Dam had never been tested.
Source: msn