Places Bolderburen Wants to Go

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Live-in sculpture begun by one family in 1979.

The fantastic architectural models of a French traveler.

Abandoned since 1998, this train station has become an oasis for urban explorers.

An oil drilling mistake created this fountain that has been spraying water for over 150 years.

This former peat factory was transformed into an observatory before being abandoned once again.

Walking through this narrow gorge will make you feel like you've fallen into a fairytale landscape.

Hundreds of mossy stones engraved with bits of philosophy, literature and random musings.

These miniature works of art are hiding in plain sight on buildings around the city.

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.