there is a simple solution for short urls:
{google how to see long url for more info}
but generally you can use a site like this: http://www.checkshorturl.com/ to see where link redirects you and some additional information about it
e.g. https://goo.gl/ahGcc0
http://checkshorturl.com/expand.php?u=https://goo.gl/ahGcc0
Long URL https://bitcointalk.org/index.php?topic=1617532.0
Delay 0.87 second(s)
Short URL https://goo.gl/ahGcc0
Redirection 301
Search long URL on Yahoo | Google | Bing | Twitter
Check if safe on Web Of Trust | SiteAdvisor | Google | Sucuri | Norton | Browser Defender
Title This is probably the most amusing thing I've seen on Bitcointalk this ye ar
Description This is probably the most amusing thing I've seen on Bitcointalk this year
Keywords bitcoin, forum, bitcoin forum, bitcointalk
Author N/A
also here is some code for those interested: https://github.com/hrbrmstr/longurl
p.s. this method does not work on this particular site in OP because it is not a regular shortner.