
It's about oneandonetenth times as tall as Blackpool Tower.
In other words, 520.97 feet is 1.01 times the height of Blackpool Tower, and the height of Blackpool Tower is 0.99 times that amount.
(Blackpool, Lancashire, England, United Kingdom) (height to peak)Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 518 feet to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 315,000 feet to the northwest.
It's about as long as The Seventeenth hole of Pebble Beach.
In other words, the length of The Seventeenth hole of Pebble Beach is 1.02 times 520.97 feet.
(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 531 feet from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1iron shot that bounced off the hole's flag and resulted in a birdie.
It's about as tall as The Singapore Flyer (Ferris wheel).
In other words, the height of The Singapore Flyer (Ferris wheel) is 1.04 times 520.97 feet.
(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)The Singapore Flyer has a height of 541 feet. Based on recommendations from Feng Shui masters, the wheel was reengineered to spin in the opposite direction five months after it began operating.
It's about oneandonetenth times as tall as The Spring Temple Buddha.
In other words, 520.97 feet is 1.04 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 0.962 times that amount.
(a.k.a. 中原大佛, a.k.a. 鲁山大佛, a.k.a. 魯山大佛) (Fodushan Scenic Area, Lushan County, Henan, China) (including base)The tallest statue in the world, the Spring Temple Buddha in Henan, China stands at 502 feet tall from its base. The Buddha is located in the 47,300,000sq. m (11,700acre) Fodushan Scenic Area near Mount Yao
It's about ninetenths as tall as The Washington Monument.
In other words, 520.97 feet is 0.93799 times the height of The Washington Monument, and the height of The Washington Monument is 1.0661 times that amount.
(Washington, D.C.)The Washington Monument measures 555.41 feet tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.
It's about ninetenths as tall as The Space Needle.
In other words, 520.97 feet is 0.863 times the height of The Space Needle, and the height of The Space Needle is 1.16 times that amount.
(Seattle, Washington) (to aircraft warning beacon at peak)Built for a 1962 World's Fair, the Space Needle stands 604 feet tall. With a trackandwheel design inspired by railroad mechanics and a preciselyconfigured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).
It's about oneandonefifth times as tall as The Great Pyramid of Giza.
In other words, the height of The Great Pyramid of Giza is 0.83 times 520.97 feet.
(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt) (estimated original height)The Great Pyramid of Giza has an estimated original height (without loss due to erosion) of 430 feet. The Pyramid was the tallest structure in the world for almost 4,000 years — from its construction ca. 2551 BCE until it was overtaken by the Lincoln Cathedral in Lincoln, England, built in the year 1300. 
