Places JonAkzar Wants to Go

This abandoned Belgian fortress is purposefully being left to nature.

Hiding the longest subterranean river known in the world.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

An elevator into the Baltic Sea.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

The only microgravity tower in Europe can produce nine seconds of weightlessness.

Constructed by forced laborers, this submarine pen is now a museum and war memorial.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

A unique zoological park home to over 30 species of wild cats, both big and small.

Fighting the British and making game shows for over 150 years.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

Museum in a swimming pool where the water still flows.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

A scale rocket of an Ariane 5 rocket serves as a monument to a pioneer of space science.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

An abandoned train station in Munich constructed for the 1972 Olympic games.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

In the Netherlands, one of the world's largest private car collections can be found.

Museum preserving torture methods from the past.