Oldest unrestored plantation house in America that is open to the public.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

The most southern point you can drive to in the Western Hemisphere.

The best place to send your postcards home from Antarctica.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

This historic furnace was once used to produce cannonballs during the Civil War.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

A 60-room castle constructed by a horse-racing heir.

Where the oil industry began.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

These disused steel furnaces are now haunting ruins that may one day be a national park.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.