Time Left
0:00:00
Time Traveler

Treehouse at the Wall

Find the house built by Osman Kalin right at the former Berlin Wall. Here on this no-man’s land between East and West, where the Wall had to go around the St.Thomas church, he built this little hut and garden.

Locations
To complete the Challenge …

Count the number of windows and panes that let light into the house.

Share your results on social media, using the hashtag:
Don't forget to tag @urbanchallenger on Instagram or TikTok to get featured.
Thank you! We have received your answer!
Oops! Something went wrong while submitting the form.
Thank you! We have received your answer!
Oops! Something went wrong while submitting the form.
Upload your audio proof
Uploading...
fileuploaded.jpg
Upload failed. Max size for files is 10 MB.
Thank you! We have received your answer!
Oops! Something went wrong while submitting the form.
Thank you! We have received your answer!
Oops! Something went wrong while submitting the form.

Like to take on more Challenges just like this one?

This Challenge is part of the Urban Challenger city exploration game.

Learn more …

Challenge a Friend

Want to challenge a friend? Share this free Challenge with them.