It's about as heavy as a Tree (Sierra Redwood)
(a.k.a. Giant Sequoia, a.k.a. Sierran redwood, a.k.a. Wellingtonia, a.k.a. "Big Tree", Sequoiadendron giganteum)
The weight of wood in a Giant Sequoia is 1,300,000 kilograms. General Sherman, a specimen in Sequoia National Park in Visalia, California, is the largest tree in the world by volume, with an estimated weight of about 1,900,000 kilograms.
It's about two times as heavy as Christ the Redeemer (statue)
In other words, 1,300,000 kilograms is 2.05 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 0.4880 times that amount.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 635,000 kilograms. The statue overlooks the city of Rio de Janeiro from atop the 709.9-meter (2,329 ft) granite peak in the Tijuca Forest National Park.
It's about one-tenth as heavy as The Eiffel Tower
In other words, 1,300,000 kilograms is 0.1290 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 7.750 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (total weight)
The Eiffel Tower weighs approximately 10,100,000 kilograms. Architected to be quickly assembled, the Tower contains only 930 cu. meters of solid material.
It's about eight-and-a-half times as heavy as a House
In other words, 1,300,000 kilograms is 8.330 times the weight of a House, and the weight of a House is 0.120 times that amount.(149 sq. m, single-level, unfurnished)
A 149 sq. m (1,600 sq. ft), single-story, unfurnished house (without extensive masonry) of the type commonly found in America would weigh approximately 156,000 kg, based on the weight of the included materials. In contrast, a yurt — a type of dwelling structure popular among nomadic peoples of East Asia — typically weighs less than 458 kg.
It's about one-tenth as heavy as The Brooklyn Bridge
In other words, 1,300,000 kilograms is 0.0976 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 10.250 times that amount.(a.k.a. New York and Brooklyn Bridge) (Manhattan and Brooklyn, New York City, New York) (total weight)
The total weight of the Brooklyn Bridge is approximately 13,320,000 kilograms. In a promotional event to prove the bridge's stability shortly after it opened, entertainer P. T. Barnum led a parade of 21 elephants across it in May of 1884.
It's about twelve-and-a-half times as heavy as a Blue Whale
It's about eighteen times as heavy as The Space Shuttle
In other words, the weight of The Space Shuttle is 0.056 times 1,300,000 kilograms.(for Endeavour, a.k.a. OV-105, a.k.a. Orbiter Vehicle-105) (empty weight, excluding main engines)
When empty, the space shuttle Endeavour weighs 71,000 kilograms. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 19,737 kg.