World's No. 2 tower shows off views
The Tokyo Skytree is the world's second-tallest structure.
4 of 8
The Tokyo Skytree
The Skytree has a restaurant and two cafes on the observation decks, a vertigo-inducing glass floor that allows visitors to look straight down, and an emergency staircase with 2,523 steps.
Credit: AP Photo/Itsuo Inouye
4 of 8
