The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A medieval church built up to defend its village.

One of England's most famous churches hides a pair of little known architectural treasures.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Fascinating town where normal life interfaces with the occult.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Famously misunderstood wonder of the ancient world

This open-air museum was originally a World War II testing ground for German missiles and rockets.

These massive moving sand dunes have swallowed an entire village and are still on the run.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

An underground city of salt.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

This man-made mound monument was built out of soil from all across the Polish empire.

Relive a Polish uprising via an enormous, century-old cyclorama.

One of only two places in the world where two rivers cross each other without the waters mixing.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

What was once an underground Nazi city is now Europe's largest bat reserve.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

Enter the cabin of a life-sized Hindenburg replica.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

The final resting place of soldiers' loyal canine companions.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

An impressive monument to Poland's independence.