It's about three-fifths as tall as Tugela Falls.
In other words, 1,800 feet is 0.5790 times the height of Tugela Falls, and the height of Tugela Falls is 1.730 times that amount.(Royal Natal National Park, KwaZulu-Natal, South Africa)
Tugela Falls rises to 3,110 feet in height. The falls are the highest in Africa and the second highest in the world.
It's about three-fifths as tall as Angel Falls.
In other words, 1,800 feet is 0.560 times the height of Angel Falls, and the height of Angel Falls is 1.790 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 3,210 feet. 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 one-and-nine-tenths times as long as The QE2.
In other words, 1,800 feet is 1.870 times the length of The QE2, and the length of The QE2 is 0.5350 times that amount.(a.k.a. RMS Queen Elizabeth 2) The QE2 has a total length of 965 feet. During its voyaging lifetime from 1969 through 2008, it travelled more than 31,500,000,000 feet, the furthest cumulative distance by any ship in modern history.
It's about two-and-a-half times as tall as The Golden Gate Bridge.
In other words, 1,800 feet is 2.420 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 0.4130 times that amount.(San Francisco, California and Marin County, California) (height above water)
The height of each tower of Golden Gate Bridge is 745 feet 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, 1,800 feet is 2.980 times the height of The Space Needle, and the height of The Space Needle is 0.3360 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 track-and-wheel design inspired by railroad mechanics and a precisely-configured 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, 1,800 feet is 3.150 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 0.3170 times that amount.(London, England, United Kingdom)
St. Paul's Cathedral measures 571 feet 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, 1,800 feet is 3.24080 times the height of The Washington Monument, and the height of The Washington Monument is 0.308570 times that amount.(Washington, D.C.)
The Washington Monument measures 555.410 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.