A sickly dentist who was a degenerate gambler and was classically educated in four languages, Doc Holliday became one of the most feared gunslingers of the Wild West. He died of tuberculosis at only 36 years old and would later be portrayed by Val Kilmer in the 1993 film Tombstone.

A person walking along a wetland in Sweden noticed a rusty brown loop protruding out of the ground. After being analyzed by experts, it turned out to be a well-preserved Viking armband dating back at least 1,000 years.

A person walking along a wetland in Sweden noticed a rusty brown loop protruding out of the ground. After being analyzed by experts, it turned out to be a well-preserved Viking armband dating back at least 1,000 years.

Lepa Radić was a Yugoslav partisan hanged in 1943 by the Nazis. Before her execution, the 17-year-old was offered a pardon if she named fellow resistance fighters. With a noose around her neck, Radić said "Do not surrender to the evildoers. I will be killed, but there are those who will avenge me!"

Lepa Radić was a Yugoslav partisan hanged in 1943 by the Nazis. Before her execution, the 17-year-old was offered a pardon if she named fellow resistance fighters. With a noose around her neck, Radić said "Do not surrender to the evildoers. I will be killed, but there are those who will avenge me!"

On January 24, 1972, two hunters in a remote area of Guam were attacked by an emaciated man. After being captured, he was identified as Shoichi Yokoi, a Japanese WW2 soldier who had hid in the jungle for almost 30 years. When he landed back in Japan, he wept "I am ashamed that I have returned alive"

On January 24, 1972, two hunters in a remote area of Guam were attacked by an emaciated man. After being captured, he was identified as Shoichi Yokoi, a Japanese WW2 soldier who had hid in the jungle for almost 30 years. When he landed back in Japan, he wept "I am ashamed that I have returned alive"

On January 24, 1972, two hunters in a remote area of Guam were attacked by an emaciated man. After being captured, he was identified as Shoichi Yokoi, a Japanese WW2 soldier who had hid in the jungle for almost 30 years. When he landed back in Japan, he wept "I am ashamed that I have returned alive"

Halfway between South America and southern Africa sits Tristan da Cunha, a 38-square-mile volcanic island in the Atlantic Ocean. Home to 250 residents, it's only reachable by a six-day ship journey, making it one of the most remote human settlements on Earth.

Halfway between South America and southern Africa sits Tristan da Cunha, a 38-square-mile volcanic island in the Atlantic Ocean. Home to 250 residents, it's only reachable by a six-day ship journey, making it one of the most remote human settlements on Earth.

In less than a year of combat during World War 2, Lyudmila Pavlichenko killed 309 Axis soldiers and became the deadliest female sniper in history. When asked what motivated her, she said "Every German who remains alive will kill women, children, and old folks. Dead Germans are harmless."

In less than a year of combat during World War 2, Lyudmila Pavlichenko killed 309 Axis soldiers and became the deadliest female sniper in history. When asked what motivated her, she said "Every German who remains alive will kill women, children, and old folks. Dead Germans are harmless."

Morgan Freeman imported 26 hives from Arkansas to his ranch and planted magnolia, clover, lavender, and bee-friendly fruit trees so that the bees could thrive.

Morgan Freeman imported 26 hives from Arkansas to his ranch and planted magnolia, clover, lavender, and bee-friendly fruit trees so that the bees could thrive.

A woman protests against working conditions in Richmond, Virginia during the Great Depression.

A woman protests against working conditions in North Carolina during the Great Depression.

As President, Lyndon B. Johnson hosted guests at his Texas ranch. While driving them around his property, he would yell that the brakes were out before barreling into a lake - then howl in laughter at their terror-stricken faces. He was the proud owner of an amphibious vehicle made in West Germany.

As President, Lyndon B. Johnson hosted guests at his Texas ranch. While driving them around his property, he would yell that the brakes were out before barreling into a lake - then howl in laughter at their terror-stricken faces. He was the proud owner of an amphibious vehicle made in West Germany.

As President, Lyndon B. Johnson hosted guests at his Texas ranch. While driving them around his property, he would yell that the brakes were out before barreling into a lake - then howl in laughter at their terror-stricken faces. He was the proud owner of an amphibious vehicle made in West Germany.

As President, Lyndon B. Johnson hosted guests at his Texas ranch. While driving them around his property, he would yell that the brakes were out before barreling into a lake — then howl in laughter at their terror-stricken faces. He was the proud owner of an amphibious vehicle made in West Germany.

A woman holds a sign that reads "Drop Acid Not Bombs" during the "Moratorium to End the War in Vietnam" protests in San Francisco on November 15, 1969. That day, 250,000 people marched through the city to voice their opposition to the Vietnam War.

A protestor holds a sign that reads "Drop Acid Not Bombs" during the "Moratorium to End the War in Vietnam" demonstrations on November 15, 1969, in San Francisco. 250,000 people marched through the city that day to voice their opposition to the Vietnam War.

The aftermath of the Tiananmen Square massacre, smuggled out of China by photographer Kan Tai Wong.

The aftermath of the Tiananmen Square massacre, taken and smuggled out of the country by Hong Kong photographer Kan Tai Wong.

A woman protests against working conditions in Richmond, Virginia during the Great Depression.

In less than a year of combat during World War 2, Lyudmila Pavlichenko killed 309 Axis soldiers and became the deadliest female sniper in history. When asked what motivated her, she said "Every German who remains alive will kill women, children, and old folks. Dead Germans are harmless."

Footage from the National Country Music Contest in 1972, which was held annually at Whippoorwill Lake in Warrenton, Virginia.

Footage from the National Country Music Contest in 1972, which was held annually at Whippoorwill Lake in Warrenton, Virginia up until the mid-1980s.

Footage from the National Country Music Contest in 1972, which was held annually at Whippoorwill Lake in Warrenton, Virginia up until the mid-1980s.

In 1969 — when black Americans were often still barred from swimming alongside whites — Mr. Rogers invited Officer Clemmons to join him and cool his feet in a pool, breaking a well-known color barrier.

In 1969 — when black Americans were often still barred from swimming alongside whites — Mr. Rogers invited Officer Clemmons to join him and cool his feet in a pool, breaking a well-known color barrier.

Pictures That Capture The Decline Of Gary, Indiana From A Steel Boomtown To 'The Most Miserable City In America'

Pictures That Capture The Decline Of Gary, Indiana From A Steel Boomtown To 'The Most Miserable City In America'

Xin Zhui - better known as Lady Dai - is considered one of the best-preserved mummies in history. Though she died over 2,200 years ago, her skin is still soft to the touch, her hair and eyelashes are intact, and there was still blood in her veins when she was discovered in 1971.

Xin Zhui - better known as Lady Dai - is considered one of the best-preserved mummies in history. Though she died over 2,200 years ago, her skin is still soft to the touch, her hair and eyelashes are intact, and there was still blood in her veins when she was discovered in 1971.

Footage from the National Country Music Contest in 1972, which was held annually at Whippoorwill Lake in Warrenton, Virginia up until the mid-1980s.

Footage from the National Country Music Contest in 1972, which was held annually at Whippoorwill Lake in Warrenton, Virginia up until the mid-1980s.