The floor of this spectacular Baroque sanctuary is covered in memento mori.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

This spooky statue sits outside a famous Prague theater.

You'll find the little birds tucked within the rocks of this Australian beach.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

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

From a distance, this statue of an eagle looks like a giant chicken on a stick.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

Just one of many oranges on this citrus-happy continent.

This simple sailing boat is one of the oldest preserved fishing vessels of its kind in the world.

The decommissioned submarine is now the symbol of a small, inland Australian town.

This small Australian town is considered home to the "Yowie" or the Aussie Big Foot.

This rickety old shed hides a trove of secondhand literary treasures.

Hidden among popular Sydney golf courses is a little remembered graveyard populated by smallpox victims.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A self-funded cemetery with a long list of inhabitants.

Nature is leading a successful mutiny on this century-old freighter.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

This early version of the guillotine was used to execute the man responsible for its construction.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.