Alex Demas (Former Employee)

In this image, a manzanita shrub may be seen with Half Dome behind it. Manzanitas are evergreen shrubs with orange or red bark.

Manzanita bark is one of the shrub's most distinguishing features. New bark is smooth and red, while older bark becomes weathered by sunlight to light gray or white.

Manzanita bark is one of the shrub's most distinguishing features. New bark is smooth and red, while older bark becomes weathered by sunlight to light gray or white.

Yosemite Valley from the Yosemite Falls trail. Yosemite Valley is a glacial valley in the Sierra Nevada mountains and the focal point of Yosemite National Park. The Valley is drained by the Merced River.

Yosemite Valley from the Yosemite Falls trail. Yosemite Valley is a glacial valley in the Sierra Nevada mountains and the focal point of Yosemite National Park. The Valley is drained by the Merced River.

In this image, Upper Yosemite Falls may be seen from the Yosemite Falls Trail. Upper Yosemite Falls has a total plunge of 1,430 ft (440 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, a large pinnacle may be seen adjacent to Yosemite Falls. Pinnacles form as the granite is weathered away via ice, water, or plant growth.

In this image, Yosemite Creek may be seen just below the base of Yosemite Falls. Yosemite Creek is a 31.2 mile long creek in Yosemite National Park. It eventually joins with the Merced River in Yosemite Valley.

In this image, a detailed view Upper Yosemite Falls may be seen from the Yosemite Falls Trail. Upper Yosemite Falls has a total plunge of 1,430 ft (440 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, Upper Yosemite Falls may be seen from the Yosemite Falls Trail. Upper Yosemite Falls has a total plunge of 1,430 ft (440 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, a large pinnacle may be seen adjacent to Yosemite Falls. Pinnacles form as the granite is weathered away via ice, water, or plant growth.

An image of Moran Point from the base of Lower Yosemite Falls within Yosemite Valley.

In this image, Middle Cascades and Lower Yosemite Falls may be seen from left to right. Middle Cascades have a total drop of 673 ft (206 m), while Lower Yosemite Falls has a drop of 320 ft (98 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, Lower Yosemite Falls may be seen. Lower Yosemite Falls is the lowest of the three sectiosn of Yosemite Falls. It is about 320 ft (98 m) high. Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, the south side of El Capitan may be seen as fog clears around it. El Capitan is a granite monolith that rises about 3,000 ft (900 m) from the valley floor and is one of Yosemite National Park's most famous landmarks.

In this image, the entrance to Yosemite Valley may be seen shrouded in fog. Yosemite Valley is a glacially carved valley located within Yosemite National Park. It is part of the Sierra Nevada batholith and is largely composed of granite.

In this image, Half Dome may be seen from the base of Cathedral Spires. Half Dome is a granite dome, rising about 4,737 ft (1,444 m) above the surrounding valley. It is part of the Sierra Nevada batholith and is one of Yosemite National Park's most famous features.

In this image, the west side of El Capitan may be seen shrouded in fog from Tunnel View. El Capitan is a granite monolith that rises about 3,000 ft (900 m) from the valley floor and is one of Yosemite National Park's most famous landmarks.

In this image, the south side of El Capitan may be seen. El Capitan is a granite monolith that rises about 3,000 ft (900 m) from the valley floor and is one of Yosemite National Park's most famous landmarks.

In this image, the east side of El Capitan may be seen beneath several jet contrails. El Capitan is a granite monolith that rises about 3,000 ft (900 m) from the valley floor and is one of Yosemite National Park's most famous landmarks.

In this image, Lower Cathedral Rock can be seen shrouded in fog in Yosemite National Park. It is composed of granite and is part of the Sierra Nevada batholith.