The history and future of cannabis.

Museum preserving torture methods from the past.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

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

A little sculpture with a large wardrobe.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A moving memorial to the fallen and missing from WWI trenches.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A garden of flying flowers.

A taxus-tree to which Julius Caesar reputedly tied his horse.

Christ's blood preserved in a Belgian town.

A beer pipeline runs beneath Bruges.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.