Critics argue this boab tree has been mislabeled for the sake of dark tourism, undermining its spiritual significance.

A stray meteor left this picturesque hole in the Australian outback.

These Australian rock formations look like Martian beehives that have grown up out of the landscape.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

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

Curious crater remnants in the middle of the Australian outback.

This sacred site lives up to its name with its majestic, color-splashed sandstone formations.

Olive’s garden serves up a seemingly endless helping of outback delights.

The UFO capital of Australia is the outback’s answer to Roswell.

Clusters of huge boulders in the Australian Outback.

World War II ended before these tunnels built to protect vital oil from Japanese bombs were ever used.

This remote church calls a tiny island its sanctuary.

Climb into Albania's communist history while enjoying a spectacular ocean view.

Explore a traditional Albanian dwelling that pays tribute to the region's rich history.

A temple dedicated to the 13th-century Alevi Turkish dervish credited with bringing Islam to the Balkans.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

This abandoned prison was so notorious that its name has become a metaphor throughout Albania.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

Of five volcanoes located in the massive Tengger caldera, this cone is the youngest and most active.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.