Photo of the Day

Interior curved corridor in a 17th-century stone tower
June 5, 2011

Round Tower, Copenhagen

This Month in Photo of the Day: Traveler Contest Images The Round Tower is a 17th-century tower built under the authority of Christian IV in central Copenhagen, Denmark. It was built as an astronomical observatory, and this image shows its well known, 7.5-degree helical corridor, which leads to the top and an expansive view of Copenhagen. (This photo and caption were submitted to the 2011 National Geographic Traveler Photo Contest.) Have photos of your own travels you would like to submit? Enter today! See our editors' picks » Vote for your favorites » Browse all entries » Submit your photos »
Photograph by Robert Floerke

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