From scaling steep cliff faces to slacklining at dizzying heights. Check out these 20 jaw-dropping photos that will make your heart skip a bit.
Check out the vintage photographs of Dublin, Ireland in the late 19th and early 20th century and visit the National Library of Ireland website for more.
Lego Backpacker is taking a great pictures during an epic journey around the world. So far has visited over 20 different countries.