Images

The Washington Monument, made of marble, granite, and bluestone gneiss, commemorates the first president of the United States. It is the tallest stone structure, and is made of two kinds of marble due to a gap in funding. The monument was damaged in the 2011 Virginia earthquake, but has since been repaired.

The District of Columbia War Memorial commemorates the residents of DC that served in the First World War. It's made of marble and concrete and sits in the National Mall.

The Martin Luther King, Jr. Memorial is made of predominantly of marble. It sits in the National Mall.

The Jefferson Memorial sits on the edge of the Tidal Basin and is made of marble.

In this view from the Washington Monument, the Old Post Office Pavillion can be seen in the center of the image, surrounded by the red-roofed Federal office-buildings of the Federal Triangle.

In this image from the Washington Monument, the Jefferson Memorial and Tidal Basin may be seen in the center of the image.

A sailboat sails in the Gulf of Maine beyond a granite outcropping at Thunder Hole in Acadia National Park

Several bayberry (morella caroliniensis) bushes in Acadia National Park. Bayberry shrubs produce fruits that are not technically berries, but rather a type of fruit called a drupe.

Several New York ferns (parathelypteris noveboracensis) at Acadia National Park. These ferns are found throughout the eastern United States and Canada, and thrive in mixed woodlands.

A view of Otter Point in Acadia National Park from the Park Loop Road.

A view of Old Soaker Island in Acadia National Park from the Park Loop Road.

A granite rock outcropping at Thunder Hole in Acadia National Park

Several New York ferns (parathelypteris noveboracensis) at Acadia National Park. These ferns are found throughout the eastern United States and Canada, and thrive in mixed woodlands.

A view of Otter Point in Acadia National Park from the Park Loop Road.

A granite cliff at Thunder Hole, looking south to Otter Point, in Acadia National Park

A pine tree viewed from between two granite rocks at Thunder Hole in Acadia National Park

Several New York ferns (parathelypteris noveboracensis) at Acadia National Park. These ferns are found throughout the eastern United States and Canada, and thrive in mixed woodlands.

This rock outcropping was used as a nest by peregrine falcons during the 2014 nesting season. Peregrine falcons typically nest in a scrape, or a small depression, often in rocky cliffsides like this one. This scrape is near the Precipice Trailhead in Acadia National Park.

Several New York ferns (parathelypteris noveboracensis) at Acadia National Park. These ferns are found throughout the eastern United States and Canada, and thrive in mixed woodlands.

A tidal pool amongst the granite cliffs of Thunder Hole in Acadia National Park

A granite cliff, looking east into the Gulf of Maine, at Thunder Hole in Acadia National Park