1. Hoover Dam
Hoover Dam, located in the Black Canyon of the Colorado River, was constructed during the Great Depression and receives more than one million visitors each year. Hoover Dam is also the largest single public works project in the history of the U.S.
2. Las Vegas Strip
The Las Vegas Strip, which is approximately 4.2 miles long, is internationally known for its resort hotels and casinos. As a matter of fact, 15 of the world's 25 largest hotels by room count are located on the Las Vegas Strip.
3. Lake Mead
Lake Mead is located on the Colorado River and is the largest man-made reservoir in the U.S when it comes to maximum water capacity.
4. Fountains of Bellagio - Las Vegas
The Fountains of Bellagio is an incredible fountain show that's choreographed to several different types of music. It's the most choreographically complex water feature ever created, and the cannons are capable of shooting water as high as 240 feet. (3600 S Las Vegas Blvd.)
5. Mike O’Callaghan--Pat Tillman Memorial Bridge
This incredible bridge is located within the Lake Mead National Recreation Area and was the first concrete-steel composite arch bridge built in the U.S. It spans the Colorado River between the states of Arizona and Nevada, and it opened in 2010.
6. Stratosphere Tower - Las Vegas
At 1,149 feet high, the Stratosphere Tower is the tallest freestanding observation tower in the U.S. (2000 S Las Vegas Blvd.)
7. Stokes Castle - Austin
Stokes Castle is a three-story stone tower that was built by Anson Phelps Stokes, a mine developer, railroad magnate and banker. The building of Stokes Castle, which was built from hand-hewn native granite, began in 1896 and was completed in 1897. In 2003, it was listed on the National Register of Historic Places.
8. Eiffel Tower - Las Vegas
The Eiffel Tower, located at the Paris Las Vegas, is a half scale, 541-foot tall replica of the world-famous Paris, France landmark. Guests can go up into the Eiffel Tower to experience incredible 360-degree city views, or enjoy a night of fine dining at the world-renowned Eiffel Tower Restaurant. (3655 S Las Vegas Blvd.)
9. Thunder Mountain Monument - Imlay
The Thunder Mountain Monument features more than 200 sculptures that depict Native American life. These sculptures were assembled by Frank Van Zant, a WWII veteran from Oklahoma, starting in 1969 upon his arrival in Imlay, Nevada. Those who visit this monument will stumble across many found objects, including car hoods, dolls' heads, typewriters and gas pumps. (800 Highway Dr.)
10. Old Mormon Fort - Las Vegas
Old Las Vegas Mormon Fort State Historic Park features Old Mormon Fort, the first structure built in the same area that would become Las Vegas 50 years later. (500 E Washington Ave.)
Can you think of any other man-made wonders that should be a part of this list? If so, share them with us in the comments below!