Big Picture Earth: Natural Sound

Cumberland Island, home to pristine maritime forests and stunning natural beaches.

Built in prehistoric Britain, Stonehenge is one of the most famous megalithic monuments in the world.

An ancient city carved from the surrounding cliffs, Petra was the seat of the Nabataean empire.

Travel through sandstone plateaus and Gateway Canyon which were carved by rivers.

Walk through the ruins of a 1132 abbey built by Cistercian monks in northern England.

Halfway up Mount Parnassus in Greece sits the famed Oracle of Delphi, built over 2700 years ago.

The ancestral Puebloan peoples settled the Mesa Verde region of Colorado as early as 550 AD.

The 10,000 mile long Mid-Atlantic Ridge is home sulfur springs, fumaroles and geysers.

The most visited urban park in the United States is nestled in the heart of Manhattan.

Jokulsarion Lagoon is the deepest body of freshwater in Iceland, with black volcanic sands.

Vivid red slot canyons in Utah created by trade winds over 180 million years ago.

Maine's Baxter State park in the Acadian woods, which includes Mount Katahdin.

Travel from the Piazza San Marco to the Pescaria on the Grand Canal.

The Acropolis, which includes the Parthenon, sits on a rocky outcrop above Athens.

Travel deep in the Jordanian desert of Wadi Rum to find ancient inscriptions.

A spy nest in the Revolutionary War, Shooter's Island is now a park and home to many bird species.

East of the Sierra Nevada mountains is Mono Lake, a million year old lake with limestone towers.

A journey through some of the series favorite places.

Alewives swim upstream in Maine's Damariscotta River to spawn, as they have for millions of years.