A tunnel can be seen inside the Hoover Dam.

Hoover Dam memorial sign sitting on the Arizona side of the Dam. This is a tracking shot from left to right. Shot in High Definition 1080p @30 FPS

A shot of hoover dam with the three intake values showing.

Hoover Dam pan from top of the dam looking down the Colorado river.

Hoover Dam water in take tower. In the background you can see how low the water is on Lake Mead.

Full dawn-to-day time lapse of the back of Hoover Dam and the Mike O'Callaghan-Pat Tillman Memorial Bridge at Lake Mead on the Arizona-Nevada border.

WS View of bridge above river / Nevada, USA

Title: 'America' superimposed over US Pres. Franklin Roosevelt standing for photo opportunity on night of his reelection with group of people on porch of house at his Springwood estate at Hyde Park, NY / CU Roosevelt / two shots from...

VS the Hoover Dam in the Black Canyon on the border between Nevada and Arizona / Note: exact year not known

Title: "Boulder Dam a Symbol - Roosevelt" over black screen then superimposed over WS of Boulder Dam (later renamed Hoover Dam) / Aerial of dam with lots of cars and people on it / SOT President Franklin Roosevelt speaking at microphone...

Title card: "Thousands rush construction on giant Hoover Dam - Greatest reclamation project keeps army of workmen busy" / two wide overhead shots of bridge across river / two shots of workers riding on platform suspended from crane down...

Hoover Dam power plant looking down from the top of the dam. Shot in High Definitgion 1080p @ 30 FPS

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The sun shines over the Colorado River and Hoover Dam.

Hoover Dam forms part of a natural canyon in Nevada.

A wide shot of the Hoover Dam Bypass Bridge, also known as the Mike O’Callaghan – Pat Tillman Memorial Bridge, or the Colorado River Bridge. Completed in October 2010.

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Water floods a broad plain near Hoover Dam.

Water floods a broad plain near Hoover Dam.

Fly-over of Hoover Dam at Sunset. Shot from a front-mount Tyler. Approach is from lake side with a tilt down over the dam.

Hoover Dam with low level of water

Lights illuminate Hoover Dam.

Lights illuminate Hoover Dam.

The Colorado River flows through Black Canyon toward Hoover Dam.