The investigation floor in Hohenschönhausen, once a notorious Stasi prison, now a memorial. Note soundproof padding on doors… 
Image credit: Daniel and Geo Fuchs.

The investigation floor in Hohenschönhausen, once a notorious Stasi prison, now a memorial. Note soundproof padding on doors…

Image credit: Daniel and Geo Fuchs.

Orange trees lining one of the indoor cloisters at the Cloisters, Fort Tryon Park, New York.
http://www.tripadvisor.com/LocationPhotoDirectLink-g60763-d106609-i38885881-The_Cloisters-New_York_City_New_York.html

Orange trees lining one of the indoor cloisters at the Cloisters, Fort Tryon Park, New York.

http://www.tripadvisor.com/LocationPhotoDirectLink-g60763-d106609-i38885881-The_Cloisters-New_York_City_New_York.html

M27, also known as the Dumbbell Nebula.
(M27, by the way, means “the 27th item on the list of ‘diffuse objects not to be confused with comets’” that Charles Messier made in 1764.)
Image credit and copyright: Bill Snyder (Bill Snyder Photography).

M27, also known as the Dumbbell Nebula.

(M27, by the way, means “the 27th item on the list of ‘diffuse objects not to be confused with comets’” that Charles Messier made in 1764.)

Image credit and copyright: Bill Snyder (Bill Snyder Photography).

Death Valley, Mojave Desert, eastern California.
Source: Wikipedia/ Brocken Inaglory.

Death Valley, Mojave Desert, eastern California.

Source: Wikipedia/ Brocken Inaglory.

The Incunabula Room at Harvard’s Houghton Library.
With thanks to Maggie Koerth-Baker.

The Incunabula Room at Harvard’s Houghton Library.

With thanks to Maggie Koerth-Baker.

Stacked Rocks. Where?
Photo: Kyle Miller.
http://thechalkboardmag.com/mantra-monday-om-the-scared-sound

Stacked Rocks. Where?

Photo: Kyle Miller.

http://thechalkboardmag.com/mantra-monday-om-the-scared-sound

New Court Cloister, St. John’s College, Cambridge, England.
http://sbr.soc.srcf.net/about/photo-gallery/newcourtcloister/

New Court Cloister, St. John’s College, Cambridge, England.

http://sbr.soc.srcf.net/about/photo-gallery/newcourtcloister/

Autumn is coming. Avenue of trees “in Oregon” somewhere.
Image credit: Ian Sane.

Autumn is coming. Avenue of trees “in Oregon” somewhere.

Image credit: Ian Sane.

The Crystal Cave of Giants, about 1000 feet below the surface in the Naica Mine, Chihuahua, Mexico, where lead, zinc, and silver are mined. The host rock is limestone, and the crystals are selenite (gypsum). See figure at left for scale.
More information: http://www.crystalinks.com/mexicocrystals.html

The Crystal Cave of Giants, about 1000 feet below the surface in the Naica Mine, Chihuahua, Mexico, where lead, zinc, and silver are mined. The host rock is limestone, and the crystals are selenite (gypsum). See figure at left for scale.

More information: http://www.crystalinks.com/mexicocrystals.html

A massive star’s core collapsed into this beautiful supernova remnant, called Puppis A.
Image credit: X-ray: NASA/CXC/IAFE/G. Dubner et al., ESA/XMM-Newton; infrared: NASA/ESA/JPL-Caltech/GSFC/R. Arendt et al.

A massive star’s core collapsed into this beautiful supernova remnant, called Puppis A.

Image credit: X-ray: NASA/CXC/IAFE/G. Dubner et al., ESA/XMM-Newton; infrared: NASA/ESA/JPL-Caltech/GSFC/R. Arendt et al.

Painting of a cloister at dusk, by Brandon Soloff.

http://www.brandonsoloff.com/artworks/3%2B4

Painting of a cloister at dusk, by Brandon Soloff.

http://www.brandonsoloff.com/artworks/3%2B4

Canterbury Cathedral Cloister at dusk.
Photo by Lisa Knechtel.

http://fineartamerica.com/featured/canterbury-cathedral-cloister-at-dusk-lisa-knechtel.html

Canterbury Cathedral Cloister at dusk.

Photo by Lisa Knechtel.

http://fineartamerica.com/featured/canterbury-cathedral-cloister-at-dusk-lisa-knechtel.html

Astronomers have learned that our galaxy is part of a really big galaxy that most of us have never heard of. Here’s the story:


https://www.youtube.com/watch?v=rENyyRwxpHo#action=share?

Astronomers have learned that our galaxy is part of a really big galaxy that most of us have never heard of. Here’s the story:

https://www.youtube.com/watch?v=rENyyRwxpHo#action=share?

Temple in a cave, Kyaut Sae, Myanmar (Burma)
Photo by lintun79.


http://lintun79.deviantart.com/art/In-The-Cave-208215402

Temple in a cave, Kyaut Sae, Myanmar (Burma)

Photo by lintun79.

http://lintun79.deviantart.com/art/In-The-Cave-208215402