Manhattanhenge

Watch the sun set at the end of the block - it's the last Manhattanhenge of the year.

This week, the Manhattanhenge effect could be seen Monday and Tuesday.

The cover art depicts the phenomenon of Manhattanhenge.

The first Manhattanhenge opportunity comes this weekend: On Saturday at 8:17 p.m.

Twice a year, the setting sun is aligned with Manhattan cross streets in what has come to be known as "Manhattanhenge."

This phenomenon is known as Manhattanhenge.

Manhattanhenge occurs when Earth's tilt is just right to have the sun right on the horizon, in line with the orientation of the street grid.

They call it Manhattanhenge.

Memorial Day coincided with the latest Manhattanhenge.

Thanks in part to Tyson's efforts, Manhattanhenge is the best-known of the modern-day monumental alignments.

"When did Manhattanhenge turn into Woodstock?"

Manhattanhenge: Sunset and streets aligned in unique spectacle; a D.C. equivalent?

The first Manhattanhenge occurs around May 28, while the second occurs around July 12.

ET: Tonight's Manhattanhenge was pretty much clouded out — here's a typical picture from Instagram.

It's "Manhattanhenge" time again.

The name Manhattanhenge alludes to Stonehenge, the prehistoric circle of large stones in southern Britain.

The sun shines down 42nd Street below the landmark Chrysler Building at sunset on July 12, 2009, during Manhattanhenge.

Tyson's the one who came up with the term "Manhattanhenge" to describe the alignment of the setting sun with New York's east-west streets.

The precise dates of Manhattanhenge depend on the date of the summer solstice, which varies from year to year but remains close to June 21.

Tonight's showing of New York's hometown celestial alignment, known as Manhattanhenge, was a spectacular success that more than made up for the washout in May.

Since Manhattanhenge draws crowds of photographers, we knew we had to mark our spot on the Tudor City Bridge early in the day.

An astrophysicist will explain Manhattanhenge, where the sunset lines up with the street grid, at the American Museum of Natural History at 7 p.m.

Photographers aim their cameras as the sun sets through the buildings on 42nd Street in Manhattan during a phenomenon known as Manhattanhenge on July 11, 2012.

Shawna Wallace, a security guard at the Consolidated Edison plant on East 14th Street, got a good look at Manhattanhenge Tuesday.

New York Times Magazine published one of Pillsbury's "City Stages" photos as part of their Manhattanhenge feature in July 2013.