An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

These morbid carvings remind churchgoers of the inevitability of death.

3,000 family pets and military animals are buried in this London graveyard.

This cemetery features modernist statues as strange as its name.

A cluttered and astounding collection of antiquities and curiosities.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Holding the most bodies of any cemetery in the United States.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.

This former railway facility is the oldest in Slovenia, and now houses a museum showcasing the history of steam locomotives.

A cemetery for Slovenian notables also serves as a popular recreation space.

This abandoned Slovenian military barracks has become a punky-political art squat.

Strange rumors surround the artist who created these solemn metal guard dogs.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A public work of art that also provides some relief from the summer heat.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

A whimsical bridge adorned with decorative dragons.

A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.