Time travel is a basic piece of comics. From wild-eyed scientists deciding to travel around the timestream for random reasons to superheroes heading into the future for fun adventures, a million timelines have been made and destroyed between the pages of countless comics. But no universe likes to play with time travel more than the DC Universe.

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From Rip Hunter and his Time Bubble to the Android Hourman and his timeship, there's always someone messing with the DC timeline, and that doesn't even include the endless time travel adventures of the Flash Family. But not every time travel adventure is equal. Some are forgettable while others revealed so much about the characters or celebrated special moments in DC history. And still others are just cool moments that can only happen when a hero - or heroes - decide to play with time.

10 Booster Gold Decides To Be Famous

booster gold

Most heroes travel through time to stop horrific events or take part in some amazing futuristic adventures, but Michael Jon Carter had a different idea. Living in the 25th-Century, Michale once had a promising career as an athlete in front of him before his father convinced him to throw a few games for betting purposes. After years of working as the night watchman at the Metropolis Space Museum, Michael decided to steal some equipment and go back in time to the age of heroes where he would make a name for himself as Booster Gold, the greatest hero of them all. He's still working on it.

9 Wally West Sees Barry Allen And Hearts Break

Flash and Captain Atom from Justice League Quarterly #3

In the first few years following Crisis on Infinite Earths, writers Keith Giffen and J.M. DeMatteis turned the Justice League into some of DC's biggest sellers by writing stories that were exciting, funny, and full of heart. In Justice League Quarterly #3, there is a moment that stands out as heartbreaking.

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In the issue, a number of Leaguers are sent back in time and accidentally shrunk. While in the past, they find themselves watching a meeting of the original Justice League, and Wally West - the third Flash - sees his chance to warn his mentor Barry Allen - the second Flash - about the coming crisis and his death, but is stopped by his teammates, fearing what that would do to the timeline.

8 The Legion Of Super-Heroes Meet Superboy For The First Time

Superboy travels tot he future for the first time with the Legion of Super-Heroes

Perhaps the most important time travel story in all of DC Comics, Adventure Comics #247, written by Otto Binder with art by Al Plastino, saw the young Superboy meet the Legion of Super-Heroes for the first time. Coming from the 30th-Century, the Legion of Super-Heroes, represented by Cosmic Boy, Saturn Girl, and Lightning Lad, put Superboy through a series of tests to see if he has what it takes to join their team a thousand years in the future.

This story birthed what would become one of the greatest teams in comics. Now set in the 31st-Century, the Legion of Super-Heroes is represented by dozens of members, including the new Superboy, Jon Kent.

7 Flash Saves His Mom, Ruins Everything

DC Flashpoint running through the city

Not long after learning that Reverse-Flash was the man who murdered his mother, Flash decided to use his powers to change the past. While it was not his plan, Flash's decision to save his mother's life had a drastic effect on the universe, leading to the creation of the Flashpoint timeline.

Flashpoint showed a reality where Superman was held underground by the US government, the Amazons and Atlantians were at war, and a young Bruce Wayne was murdered, leading to his father becoming Batman. Trying to change things back, Flash gave Doctor Manhattan the opportunity to rewrite history in his own way, creating the New 52 Universe.

6 The Legion Of Super-Heroes Come To Celebrate

Superman Superboy Legion of Super-Heroes

The reintroduction of the Legion of Super-Heroes to the Rebirth Era of DC Comics came at the end of The Unity Saga by Brian Michael Bendis and Ivan Reis. In this story, Superman, Superboy, and Supergirl bring together a variety of races from across the DC Universe to form an alliance, what Superboy calls the United Planets. With that plan in place, the Legion appear before the many races to celebrate the first Unity Day - the day where everything changed.

The birth of the United Planets had long been a story that readers had heard about but never saw. In finally revealing the moment, DC forever shifted the course of the comics in ways that are still being seen today.

5 Iris West Saves Impulse By Bringing Him To The Present

Iris West and Impulse in the Time Stream

Shortly before he died in the Crisis, Barry Allen and Iris West left the present and moved to the future to start a family. That family included twins Don and Dawn Allen, better known as the Tornado Twins. Sadly, both Don and Dawn died during the Dominator Invasion of the 30th-Century, but their children lived on.

RELATED: 10 Times Time Travel Changed The DC Universe

One child, Bart Allen, was born with superspeed and lived in a virtual world that could keep up with his rapid aging. Bart would have lived his entire life in just a few short years if his grandma Iris didn't bring him back in time to have her nephew and current flash Wally West help him, and with that decision, Impulse joined the Flash Family.

4 Batman And Green Lantern Play Cowboy

Batman Green Lantern and Jonah Hex in Batman Universe

There was a time when every kid in America played Cowboys. The idea of living in the Old West and fighting bandits and other bad guys was the dream, especially for kids who would grow up to become Batman and Green Lantern. In Batman Universe by Brian Michael Bendis and Nick Derrington, the two heroes got their chance to live out that dream when Vandal Savage sent them back to the 1800s where the two heroes teamed up with the famous Jonah Hex. Sadly, Batman and Green Lantern learned that the Old West wasn't as much fun as playing Cowboy in the backyard was.

3 Wally West Visits Himself

Wally West Meets His Younger Self in Flash 0

Time travel and the Flashes go hand in hand, thanks in part to their ability to run so fast they can go back or forward in time at the drop of a hat. But for Wally West, who hates time travel, one journey into the past proved to be quite cathartic. Just as the Zero Hour began, Wally found himself pulled into the timestream and appearing in his boyhood bedroom during a family reunion.

There, Wally got to see and talk to an eleven-year-old version of himself, knowing what amazing adventures were just waiting for him in a few year's time. Seeing his young self, Wally remembered why he wanted to be a hero in the first place and gladly went off to face the unknown.

2 The Legion Of Doom Takes Part In A Day That Will Live In Infamy

The Legion of Doom Attack Pearl Harbor in World War II

In one of the wilder moments in Scott Snyder's Justice League run, issue #31, with art by Jorge Jimenez, sees the Legion of Doom travel back to December 7, 1941, so that they can take part in the attack on Pearl Harbor - the moment the United States entered World War II.

RELATED: 10 DC Heroes Who Time-Traveled & Regretted It

This moment feels like something straight out of the Super Freinds animated series, but Snyder and Jimenez play it for all the drama and intensity you would expect from two masters of the craft. Luckily for the world, the current day Flash, John Stewart, and the Justice Society of America are there to handle the Legion of Doom.

1 The Legion Of Super-Heroes Say Goodbye To Superman

Superman cries with Krypto by his side

Not every time travel adventure ends on a happy note, as seen in Alan Moore's and Curt Swan's Superman: Whatever Happened to the Man of Tomorrow. In this story - the final Pre-Crisis Superman story - the Man of Steel sees himself and his family trapped in the Fortress of Solitude as his greatest foes team up to destroy him.

In that moment, the Legion of Super-Heroes arrive to give Superman a statue of himself holding the Phantom Zone projector as a symbol of their love for him. It is at that moment that Superman realizes he is destined to lose the coming fight. The Legion has come to say goodbye to their friend.

NEXT: 10 Worst Time Travelers In The DC Universe, Ranked