WIELICZKA, Poland — Rain clouds had been following us all around Poland, and so we doubled the usual tour of castles, cathedrals and museums. Fair enough, Warsaw and Krakow have more than enough of ...

Down at the bottom of 380 dizzying steps, the walls are an imperfect gray. They look like rock — but they taste salty. How do visitors know? They’re encouraged to lick them. Just to the southeast of ...

Google has added the 13th-century Wieliczka Salt Mine, including its glorious cathedral carved entirely out of rock salt, to Street View. Michelle Starr is CNET's science editor, and she hopes to get ...

This deposit of rock salt in Wieliczka-Bochnia has been mined since the 13th century. Spread over nine levels, it has 300 km of galleries with works of art, altars, and statues sculpted in the salt, ...

Down at the bottom of 380 dizzying steps, the walls are an imperfect gray. They look like rock, but they taste salty. How do visitors know? They're encouraged to lick them. Just to the southeast of ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Use Up and Down arrows to view available values, Enter to select. Use Left and Right arrows to view selected values, Delete key to deselect. Use Up and Down arrows to view available values, Enter to ...