"Electrified," Alpenglow over Hoover Dam and Lake Mead at Sunset, Nevada - Arizona

Long after Sunset as Twilight sets in, Alpenglow illuminates the skies over Hoover Dam as dusk nears. The lights of the approaching night illuminate the Dam and the surrounding landscapes, reflecting off the waters of Lake Mead as the Alpenglow of Twilight illuminates the skies and clouds above.

"Dam Glow," Reflections on Lake Mead and Hoover Dam, Lake Mead National Recreation Area, Nevada and Arizona

Hoover Dam reflects in the still waters of Lake Mead at night

'Light's On," Sunset over Lake Mead and Hoover Dam, Lake Mead National Recreation Area, Nevada - Arizona

The colors of sunset illuminates the skies over Hoover Dam as dusk nears. The lights of the approaching night illuminate the Dam and the surrounding landscapes, reflecting off the waters of Lake Mead as the Alpenglow of the approaching Twilight begins to set in.

"Tillman's View," Night over Hoover Dam, Lake Mead National Recreation Area, Nevada - Arizona

Hoover Dam, Lake Mead, the Colorado River and Black Canyon at Night during the Fall

"Dusk's Gift," Civil Twilight (Dusk) over Glen Canyon Dam, Page Arizona

After the sun sets, the colors of Dusk illuminate the skies over Lake Powell and Glen Canyon in Page Arizona as the Dam reflects off the still and silent waters of the Colorado River

"Gates of Heaven," Maryhill Stonehenge Sunset, Washington

The sun sets through the pillars of Maryhill Stonehenge in the state of Washington.

"Night Over the Golden Gate," Baker Beach, Golden Gate Bridge, San Francisco, California

Lights from the Golden Gate Bridge illuminate Baker Beach and reflect off the waters of the Golden Gate, a 1 mile wide strait that connects the waters of San Francisco Bay with waters of the Pacific Ocean

"Spanning the Golden Gate," Battery Spencer, Golden Gate Bridge, Marin Headlands, San Francisco, California

Lights from the Golden Gate Bridge reflect off the waters of the Golden Gate, a 1 mile wide strait that connects the waters of San Francisco Bay with waters of the Pacific Ocean

"The Golden Gate and San Francisco at Night" Battery Spencer, Golden Gate Bridge, Marin Headlands, San Francisco, California

Lights from the Golden Gate Bridge reflect off the waters of the Golden Gate, a 1 mile wide strait that connects the waters of San Francisco Bay with waters of the Pacific Ocean

"Golden Gate Nightfall," Battery Spencer, Golden Gate Bridge, Marin Headlands, San Francisco, California

Lights from the Golden Gate Bridge reflect off the waters of the Golden Gate, a 1 mile wide strait that connects the waters of San Francisco Bay with waters of the Pacific Ocean

"Golden Gate Skyline," Battery Spencer, Golden Gate Bridge, Marin Headlands, San Francisco, California

Lights from the Golden Gate Bridge reflect off the waters of the Golden Gate, a 1 mile wide strait that connects the waters of San Francisco Bay with waters of the Pacific Ocean

"San Francisco Skyline at Night," San Francisco, California

The Transamerica Pyramid and the San Francisco sky line shine brightly at night above the waters of San Francisco Bay

"Columbia's Hold," Grand Coulee Dam at Sunset, Coulee Dam, Washington

Sunset over Grand Coulee Dam as it holds back the waters of the mighty Columbia River

"Industry Meets Nature," Grand Coulee Dam at Dusk, Coulee Dam, Washington

The lights of Grand Coulee Dam reflect off the waters of the Columbia River as twilight sets in

"Las Vegas Eiffel Tower at Night," Paris Hotel, Las Vegas, Nevada

The Eiffel Tower in Las Vegas stands illuminated by the night lights of Las Vegas along the Vegas Strip in Las Vegas, Nevada

"Paris Las Vegas Nights," Paris Hotel, Las Vegas, Nevada

The lights of night illuminate the Eiffel Tower, the Arc De Triomphe, and the Paris Hotel in Las Vegas, Nevada

"Paris Hotel at Night," Las Vegas, Nevada

The Eiffel Tower and the Paris Hotel in Las Vegas, Nevada stand illuminated by the night lights of Las Vegas along the Vegas Strip in Las Vegas, Nevada

"Vegas Nights," Las Vegas Skyline at Night, Las Vegas, Nevada

The Casino Resorts which line the Las Vegas Skyline illuminate the night sky

"Columbia's Glow," Dusk over Bonneville Dam, Columbia River Gorge

Civil Twilight draws to a close as dusk sets in over Bonneville Dam

"Red, White and Blue," John Day Dam at Night, Rufus, Oregon

The red, white and blue lights of the John Day Dam reflect off the waters of the Columbia River at night as the red lights of the Windmills line the slopes of the Columbia River Gorge above.

"America's Reflection," Night Reflections at John Day Dam, Rufus, Oregon

The red, white and blue lights of the John Day Dam reflect off the waters of the Columbia River at night as the red lights of the Windmills line the slopes of the Columbia River Gorge above.