This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

Perhaps the most spectacular grotto along the Algarve coastline.

A miniature cathedral made of 20,948 tiny pieces of marble.

The oldest European burial ground in Australia.

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.

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

One of Sydney's oldest graveyards hides in plain sight behind a hospital.

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

These flying foxes dangle from the trees around the library like fuzzy black fruit.

A firefighting museum housed in a historic station whose Lookout Tower watches over Melbourne.

A boardwalk winds through this sliver of coastal nature hidden within Sydney.

Legend says entire herds of cattle have disappeared within this boulder-strewn landscape.

Australia's only active volcanoes and highest peak are located on these remote islands thousands of miles away from the mainland.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

This historic Australian bridge was built by convicts with giant stone spikes to prevent cattle from falling off the sides.

For a century, the tallest building in Tasmania was a tower built to manufacture ammunition.

These sea cliffs are an epic natural wonder.

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

A beautiful 1920s tower filled with local hidden gems.

These naturally occurring but rare geological formations are each about the size of a small house.

Dozens of large-scale, creative, evocative curios from prominent artists dot the calm outdoor space around this major museum.

The oldest known European structures in Australia are the remnants of a story filled with mutiny, murder, jealousy and greed.

A beautiful hike through national parks, forests and beaches in Western Australia.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.