Going underground for ice and for salt.
Churches, waterfalls, and a lot of dragon plus how to not visit a waterfall
Meeting fellow uncommon hikers on mountain top
Rock and concrete are not as solid as one might think. Plus a view into the stars.
Being in the middle of something can have a lot of different angles
Finding things that are not visible and presenting a fort without showing any remains
Discover more about mining and what else a mine could be used for. Plus the mystery of the book.
How can a small town with 11,000 inhabitants be connected to the US?
One of the oldest houses in Germany in a city that is most of the time only a brand
How to take a lively look into the past including science, illustrations, and reconstructions.
Spilled wine and symmetry, 600 years of continuous mayorship, insights in a cave