In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

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

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

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

Be(w)ar(e) the moat around this historic Czech castle.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Europe's second largest ossuary wasn't discovered until 2001.

Amsterdam's former hotspot for public executions and dissections.

Museum preserving torture methods from the past.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Museum dedicated to the terror regimes of Hungary.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

Monument to a suicide protesting the Soviet invasion.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

An enormous and lavish Gothic church in Czechia.