Astonishing photos of child laborers in America taken by photographer Lewis Hine between 1908 and 1924. He traveled across the US to document children working in different fields for the NCLC (National Child Labor Committee) in order to promote the "rights, awareness, dignity, well-being and education of children and youth as they relate to work and working."
 

George Washington was the first President of the United States, the Commander-in-Chief of the Continental Army during the American Revolutionary War and one of the Founding Fathers of the United States. He was also called the "father of his country" during his lifetime. But that’s not all. Apparently, Washington was also the richest president in the US history. His estimated net worth was of $525 million in today’s dollars. According to 24/7 Wall Street his salary was 2% of the total US budget in 1789 and he owned over 50,000 acres of land. Here is what it was like to be George Washington.
 

Humans have been inventing all kind of weapons since the dawn of time. Yup, we were always creative when it came to come up with the stuff that can kill…
 

These photos were taken by German-born American photographer Arnold Genthe. In 1908 he spent six month in Japan documenting the daily life of the country and its inhabitants. These photos were taking during the Meiji period just before it was ravaged by wars.

Old photos sure look better when colorized, it is if history came alive. And it is thanks to Russian Flickr user klimbims that this was possible. He’s done an amazing job worth looking at.

In the end of the 19th century due to major waves of immigration, lower Manhattan was densely packed with slums. there were too many people and not enough place for everyone. Landlords bought up buildings and divided them into small parts for people to live in. But very often they were overcrowded and living conditions in these dingy, dark and unventilated rooms were really bad.This is the story of New York slums documented by a police reporter Jacob A. Riis who wanted to expose abject poverty of those people. This photo-essay is called "How the Other Half Lives."

French photographer Julien Knez found the old photos of Paris made between 1871 and 1968 and took the pictures from the same angle in the same location.