25. Mount Rushmore, mid-construction

During the years 1934 and 1939, the presidents’ faces were finished. They included George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln.

26. William Harley and Arthur Davidson in 1914

Auto Overload

The original Harley Davidsons were extremely different from the current ones. William Sylvester Harley wished for a motorbike that was capable of traveling around North America. It resulted in the Harley being born.

27. Graf Zeppelin flying over the Washington DC, 1928

Auto Overload

Zeppelin, as seen here, flew over the Capitol building at an alarming height. 36 crew members had to take control of the Zeppelin.

28. A group of men stands in one of the Hoover Dam’s outlets pipes

Auto Overload

This is located in the Nevada and Arizona region, the Hoover Dam gives power to Nevada, California, and Arizona. It was built in 1931 and fished in 1936.

29. A 106-year-old Armenian with an AK-47 in 1990

Auto Overload

During Baku pogrom, Armenian civilians were tortured and captured. At least 90 Armenian died and hundreds of people were also injured.

30. The Titanic’s propellers

Auto Overload

As the story goes RMS Titanic sets sail from Southampton, England to go to New York City, but met with the infamous accident. On April 14th, 1912,  1,503 people died as the ship hit an iceberg.