The Victoria-era quarantine station for Sydney.

Come for the flowers, stay for the bats!

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

Finding the exact middle of a giant land mass is hard to determine, but this spot managed to do the trick.

A spectacular impact crater in the rugged heart of Central Australia.

This quirky piece of naval artillery has been deafening Canadians for over a century.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

An exotic wildlife habitat right off The Strip.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Concrete strongholds stand guard over the Golden Gate.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Where the leftovers of love affairs can live on forever.

World War II-era Nazi compound nestled in the Santa Monica hills.

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

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

A black and white mural stands out from its psychedelic surroundings.

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

A macabre tour of Hollywood’s deadly history.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.