Thousands celebrated through the night at Stonehenge in southwest England, ushering in the sunrise on the longest day of the year in the Northern Hemisphere. The stone circle aligns with the sun's path at the solstices.

The ruins, located just five kilometers from Stonehenge, likely laid the groundwork for religious rites celebrating the longest and shortest days of the year

Dave Hamilton, author of a new guidebook to the weird and curious, shares some of the less-known places to celebrate the longest day of the year