Aang Memorial Island

Aang Memorial Island is a small island located in Yue Bay. It features a massive sculpture of Avatar Aang commissioned by the Fire Nation some years after the end of the Hundred Year War for display in Republic City, where it stands as a symbol of peace and goodwill. The statue's pedestal houses a museum that teaches of the past Avatars.

History
After Korra aided Tarrlok with an assault on an Equalists training base, she publicly challenged the Equalist leader, Amon, to a duel on Aang Memorial Island at midnight. As the clock on the island struck midnight, Amon was not there. Korra eventually gave up the wait, believing Amon did not accept her challenge. Shortly after, she found herself assaulted and dragged into the museum underneath the statue by several of Amon's henchmen. Korra managed to fight some of them off by raising part of the ground with her earthbending, but she was soon overpowered by their numbers and immobilized by chi blockers. Amon emerged from the shadows and told Korra that he had a plan that would eradicate the world of benders and that he was saving her for last. After Amon knocked Korra unconscious, she had a vision of Avatar Aang for the first time.

After the Equalists' Attack on Republic City, the Equalists defiled Aang's statue by propping a gargantuan mask similar to the one worn by Amon onto it, as well as hanging Equalist banners from the statue's staff. Later, when the Equalists were using their biplanes to destroy the United Forces battleships, General Iroh crashed one of the biplanes into the statue's head, knocking off the mask.

Avatar Aang Memorial Statue
The statue is located on a small island off the shores of Republic City. It depicts an older Aang donned in traditional Air Nomad attire, with the accompanying necklace he wore when Fire Lord Zuko announced the War's end at his coronation. The figure holds a staff with its left hand with the airbending symbol at the upper end, and its left foot rests on a slightly higher surface in the form of a lotus flower. The pedestal on which its other foot stands is an octagon with an upturned tip at each vertex surrounded by railings, leaving an opening at the back of the sculpture, where a paifang gate connects the pedestal with a road linking the island to a dockyard.

Museum
The base of the monument serves as a museum. The museum contains numerous avatar relics from the past Avatars. Also, the museum is  where the Equalists and Amon ambused Avatar Korra.

Clock


A large clock is located on the base of the statue, directly above the entrance to the museum. On the outer ring of the clock are the Chinese numerals one to twelve, indicating the hours. The inner ring is inscribed with unknown characters written in the archaic Seal Script form. The clock was first seen when Korra challenged Amon to a duel: she dozed off and was awakened when the clock chimed midnight.

Trivia

 * Aang's statue, and its role as a symbol of peace between the Four nations, resembles the Statue of Liberty; a gift from France to the United States that was constructed to commemorate the centennial of American independence.