California Henge only happens twice a year. If you want to spot it, get there on time. California Henge only last for a few minutes. California or San Francisco Henge occurs when the sun perfectly ...

SAN FRANCISCO (KGO) -- This week, it turns out the solar eclipse isn't the only rare astronomical phenomenon. San Francisco has one of its own! Tuesday morning was the so-called "California Henge." It ...

In cities, the buildings and streets act like a modern version of Stonehenge. When the sun rises or sets at just the right ...

SAN FRANCISCO (KGO) -- An astronomical phenomenon is happening this weekend in the Bay Area. The so-called "California Henge" happens twice a year when the sun falls perfectly above the Bay Bridge in ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? While searching for clues about a cult linked with a nobleman-turned-hermit, ...

This is also the time of the Chicago-henge, where the sunrise and sunsets line up perfectly with the east-west grid of the city. The twice-a-year treat can be seen in downtown Chicago this weekend.

The standing stones at Avebury and the Ring of Brodgar in Orkney are henges, but it is generally agreed that Stonehenge is not. But why? In archeological news, researchers have recently unearthed ...

A major survey of the Stonehenge landscape started last week, and today we learn that archaeologists have found another henge. This is a three-year project, so by 2013 there could be quite a list of ...