Observational evidence for wormholes, or not? The Wikipedia article on wormholes claims:

Researchers have some observational evidence for wormholes, and the
  equations of the theory of general relativity have valid solutions
  that contain wormholes.

But there doesn't seem to be any details on the 'observational evidence' in the article. Also, other Physics SE questions (e.g., How do wormholes work?) mention in passing that 

... we have no observational evidence for 'wormholes'.
  They are theorised solutions to general relativity equations.

So do we have some observational evidence for wormholes, or not?
 A: If ER=EPR is correct (and I think it is) then entanglement is equivalent to an wormhole. And since there is experimental proof of entanglement then we could say that there's plenty of experimental proof regarding wormholes.
Juan Maldacena, Leonard Susskind - Cool horizons for entangled black holes 
Leonard Susskind - Entanglement and Complexity: Gravity and Quantum Mechanics
Juan Maldacena - Entanglement, gravity and tensor networks Strings 2016
Real world experiments http://www.nasa.gov/mission_pages/sunearth/news/mag-portals.html 

"We call them X-points or electron diffusion regions," explains plasma physicist Jack Scudder of the University of Iowa. "They're places where the magnetic field of Earth connects to the magnetic field of the Sun, creating an uninterrupted path leading from our own planet to the sun's atmosphere 93 million miles away." Observations by NASA's THEMIS spacecraft and Europe's Cluster probes suggest that these magnetic portals open and close dozens of times each day. They're typically located a few tens of thousands of kilometers from Earth where the geomagnetic field meets the onrushing solar wind. Most portals are small and short-lived; others are yawning, vast, and sustained. Tons of energetic particles can flow through the openings, heating Earth's upper atmosphere, sparking geomagnetic storms, and igniting bright polar auroras.

And also:
Magnetic wormhole Created for First Time
And my favorite experiment which is in more QM terms :
Intercontinental quantum liaisons between entangled electrons
in ion traps of thermoluminescent crystals - Robert Desbrandes, Daniel L. Van Gent
