Eiffel Tower

PARIS--Completed in 1889, the Eiffel Tower is without question one of the most famous landmarks on the planet. It was built over the course of two years, two months, and five days for the World's Fair of 1889.

One of Gustave Eiffel's greatest achievements with the tower was the use of hydraulic elevators, an innovation that enabled hundreds of thousands of people to easily ride 380 feet above the ground.

As part of Road Trip 2011, CNET reporter Daniel Terdiman visited the Eiffel Tower and got a behind-the-scenes tour that, among other things, explored the "secret" underground military bunker beneath the tower, as well as the inner workings of the hydraulic elevators.

Here, we see the Eiffel Tower from just in front of it.