Four-Sided Pyramid, Modern conceptual sculpture at National Gallery of Art Sculpture Garden, United States
The Four-Sided Pyramid consists of concrete blocks arranged in a geometric formation measuring fifteen feet high and thirty-three feet wide.
Sol LeWitt conceived the design for this sculpture in 1965, and it was physically constructed by a team of craftsmen in 1999.
The structure represents minimalist concepts through mathematical precision and systematic arrangements, reflecting architectural principles from different periods.
The sculpture stands permanently in the National Gallery of Art Sculpture Garden, which maintains free public access throughout the year.
Each concrete block in the pyramid follows specific mathematical calculations, creating a harmonious progression from base to peak.
Location: Washington, D.C.
Inception: 1965
Creator: Sol LeWitt
GPS coordinates: 38.89090,-77.02242
Latest update: October 25, 2025 20:15
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