
It's about threefifths as tall as Tugela Falls.
In other words, 581 yards is 0.560 times the height of Tugela Falls, and the height of Tugela Falls is 1.790 times that amount.
(Royal Natal National Park, KwaZuluNatal, South Africa)Tugela Falls rises to 1,040 yards in height. The falls are the highest in Africa and the second highest in the world.
It's about oneandfourfifths times as long as The QE2.
In other words, 581 yards is 1.810 times the length of The QE2, and the length of The QE2 is 0.5520 times that amount.
(a.k.a. RMS Queen Elizabeth 2) The QE2 has a total length of 322 yards. During its voyaging lifetime from 1969 through 2008, it travelled more than 10,500,000,000 yards, the furthest cumulative distance by any ship in modern history.
It's about half as tall as Angel Falls.
In other words, 581 yards is 0.5430 times the height of Angel Falls, and the height of Angel Falls is 1.840 times that amount.
(a.k.a. Parakupavena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)Angel Falls has a total height 1,070 yards. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.
It's about twoandahalf times as tall as The Golden Gate Bridge.
In other words, 581 yards is 2.340 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 0.4270 times that amount.
(San Francisco, California and Marin County, California) (height above water)The height of each tower of Golden Gate Bridge is 248 yards above the surface of the San Francisco Bay. One of the key designers of the bridge, Charles Ellis, had no engineering degree when he began working on the project, but would later go on to write what became a standard textbook on structural engineering, and would ultimately be forced to complete his calculations on the bridge by working without pay for five months.
It's about three times as tall as The Space Needle.
In other words, 581 yards is 2.890 times the height of The Space Needle, and the height of The Space Needle is 0.3460 times that amount.
(Seattle, Washington) (to aircraft warning beacon at peak)Built for a 1962 World's Fair, the Space Needle stands 201 yards 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 three times as tall as St. Paul's Cathedral.
In other words, 581 yards is 3.05 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 0.3280 times that amount.
(London, England, United Kingdom)St. Paul's Cathedral measures 190 yards to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).
It's about three times as tall as The Washington Monument.
In other words, 581 yards is 3.13820 times the height of The Washington Monument, and the height of The Washington Monument is 0.318650 times that amount.
(Washington, D.C.)The Washington Monument measures 185.140 yards 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. 
