The restoration of Ecce Homo, a fresco of Jesus Christ, by Elias Garcia Martinez in 2012 gained notoriety for its poor execution, leading to widespread criticism and ridicule.

The installation of Richard Serra's "Tilted Arc" in 1981 drew criticism for its large size and placement, which obstructed pedestrian traffic and divided the plaza into two sections.

The Columbus Monument in Barcelona, Spain, has been a subject of controversy due to its association with colonialism and the negative impact of European exploration on indigenous peoples.

Maya Lin's Vietnam Veterans Memorial faced criticism from some veterans and politicians for its lack of traditional patriotic symbols and its minimalist design, which they felt did not adequately honor the fallen soldiers.

The Sydney Opera House, designed by Jørn Utzon, faced criticism during its construction in the 1960s due to its escalating costs and delays, as well as concerns about its unconventional design.

Damien Hirst's "For the Love of God" (2007) generated controversy primarily due to its use of a real human skull encrusted with diamonds, raising ethical and aesthetic concerns.

Christo and Jeanne-Claude's "The Gates" (2005) faced criticism from environmental groups due to concerns about the potential damage to the trees in Central Park from the installation of thousands of saffron-colored fabric panels.

Antony Gormley's "Angel of the North" (1998) drew criticism from some local residents and politicians due to its large size and perceived dominance over the surrounding landscape.

The "Monument to the Third International" (1920) by Vladimir Tatlin, also known as "Tatlin's Tower," faced criticism for its perceived lack of sensitivity to Russian culture and its association with the Soviet regime.

The installation of Jeff Koons' "Balloon Dog" (2018) at the Château de Versailles drew criticism from some art historians and conservationists, who expressed concerns about the potential damage to the historical site and its incompatibility with the palace's architecture.

Andres Serrano's "Piss Christ" (1987) generated significant controversy due to its depiction of a crucifix submerged in the artist's urine, leading to accusations of blasphemy and sacrilege.

David Černý's "Entropa" (2009) drew criticism for its portrayal of stereotypical national characteristics of European countries, which some viewed as offensive and insensitive.

Maurizio Cattelan's "The Holy Virgin Mary" (1999), depicting a wax figure of the Virgin Mary struck by a meteorite, generated controversy due to its perceived disrespect for religious beliefs and symbols.

Anish Kapoor's "Cloud Gate" (2006), also known as "The Bean," faced criticism due to concerns about its slippery surface, which led to numerous accidents and injuries among visitors.

The "Rhodes Must Fall" movement in South Africa gained momentum in 2015, calling for the removal of statues and monuments associated with colonialism, particularly the statue of Cecil Rhodes at the University of Cape Town.