Merely looking at them makes one wonder how these works of art manage to remain erect and not topple over, or what kind of effort it took for their authors to make these creations possible.
Here are but a few such sculptures, located in Singapore, Poland, Britain, France, Spain, the United States and other countries.
'The Force of Nature II' by Lorenzo Quinn, Berkeley Square.
Book sculpture by Alicia Martin in Casa de America, Madrid.
Giant Baby sculpture by Marc Quinn in Singapore.
Gran Elephandret sculpture by Miguel Barcelo in France.
The Floating building in Covent Garden.
The Busker sculpture in London.
Remic Rapids Balanced Rock Sculptures by John-Felice Ceprano, located 10 minutes west of Parliament Hill, along the Ottawa River Parkway.
Dalston House, Hackney.
Jerzy Kedziora sculpture in Częstochowa, Poland.
Landscape sculptures in Storm King Art Center in Mountainville, New York.
De Vaartkapoen sculpture in Belgium.
"Zwevende maagden" sculpture composition by Elisabet Stienstra in Apeldoorn, the Netherlands.
Les Voyageurs sculptures by Bruno Catalano in Marseilles, France.
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© AP Photo / Matt Dunham
The Dandelion Sculpture by Amy Stoneystreet and Robin Wight at the Royal Horticultural Society Garden Wisley, in the village of Wisley, near Woking, England.
