Images chiseled into the basalt here date back an estimated 300 years.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This legendary urban waterfall creates a dazzling display of rainbows.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

Watch the newest land on the planet form before your eyes.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This black shoreline is made up of exploded lava particles.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

The local club's soccer field is practically surrounded by UNESCO-protected monuments.

One of the very few mosques built by the Ottomans still standing in Croatia is now a Catholic church.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The remains of a sunken military ship wreck visible through clear water.

Rippling sand dunes frozen in the Arizona rock.

Beautiful natural falls where Satan once ruined a pot of beans.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This historic patch of real estate offers a glimpse of colonial Boston.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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.

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

The bears may be gone, but their old cages can still be found.