After spending the last few days in Tehran covering the presidential election, Erin takes a moment to reflect on the people and events that made the trip one to remember.
Iran's Revolutionary Guard Corps. are the keepers of Iran's Islamic system and the most powerful organization in the Iranian economy.
Born out of the 1979 revolution, the Guard is used to maintain order, crack down on internal dissent and stop any potential uprisings.
They have a hand in almost every aspect of Iranian society including politics, business and the military.
What makes them so powerful?
Outfront tonight, Ali-Reza Nader is a senior international policy analyst at the RAND Corporation.
This presidential election is particularly important for female voters. When they cast their ballots, one of the big things women have to consider is their rights.
Many women were cautious to speak to Erin, especially on camera.
One woman, though, decided to tell Erin who she voted for. She said she cast her ballot for the moderate candidate Hassan Rouhani.
She then went on to explain why this vote is so important to her.
In Iran, there are tight restrictions on the use of the Internet and social media.
But that doesn't mean it doesn't exist. Tech savvy individuals are still able to find ways to access sites like Facebook and Twitter.
Some of the most surprising users? Iran's presidential candidates.
Reza Sayah reports for OutFront.
Iranians went to the polls Friday to vote for a new president. State media reports about 70% of those eligible to vote did so. Officials were forced to extend the hours at polling locations due to the higher-than-expected turnout.
Erin Burnett visited several polling locations. She reports on election day in Tehran.