Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

Plymouth's huge yet little-known memorial to the Pilgrims.

This museum shines a light on the true Pilgrim experience in North America.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

A serene plaza that commemorates one of the Granite State's most iconic figures.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

Four hundred granite steps were built into this massive rock by the National Park Service.

Quite simply the largest tree in the world (by volume).

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A natural dome made of volcanic glass in Inyo National Forest.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The words of the neighborhood's most famous poets adorn four concrete walls.

60 feet of towering steel balances gracefully.

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

In this roadside "community for the small," abandoned toys gain new lives.

This outdoor observatory offers stellar views and a scale model of our solar system.