This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Climb inside an iron crystal magnified 165 billion times its normal size.

A beer pipeline runs beneath Bruges.

Christ's blood preserved in a Belgian town.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

A pair of connected skyscrapers form this symbolic gateway.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A Serbian church lit by chandeliers made of weapons.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A misnamed well, with a deep dark past.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Australia's only intact colonial warship never saw action before being turned into a scenic wreck.

The largest shot tower in Australia is a unique reminder of industrial ammunitions history.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

This one-time health resort was used by aristocrats around the world.

A musical instrument played by the sea.

A miniature train-ride through Slovenia's largest cave system.

A whimsical bridge adorned with decorative dragons.

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

Colorful power station with a chimney equipped with a gallery for exhaust monitoring equipment.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

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

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.