Robert Smithson is credited as the pioneer of Land Art, known for his groundbreaking work "Spiral Jetty" in Utah.

Earth Sculptures are large-scale artworks created by reshaping or modifying the natural landscape.

Double Negative is a monumental earthwork by Michael Heizer, featuring two long trenches carved into the desert floor.

Lightning Field is a vast artwork in New Mexico, where 400 metal poles are arranged in a grid-like pattern.

Spiral Jetty is Robert Smithson's iconic Land Art project, featuring a 1,500-foot-long spiral jetty constructed from black basalt rocks.

Sun Tunnels is a series of four concrete tunnels aligned with the solstices and equinoxes, allowing sunlight to create unique patterns inside.

Broken Circle & Spiral Hill is a large-scale earthwork by Richard Long, featuring a broken circle and a spiral hill.

Roden Crater is an ongoing project by James Turrell, transforming a volcanic crater into an observatory for celestial events.

Long Lines is a series of straight lines created by Richard Long, using rocks and other natural materials.

Process Art in Land Art focuses on the creative process and the transformation of the landscape, rather than the final product.

Roden Crater is an ongoing project by James Turrell, transforming a volcanic crater into an observatory for celestial events.

Wrapped Reichstag was a temporary artwork where Christo and Jeanne-Claude wrapped the Reichstag building in Berlin with fabric.

Surrounded Islands was a project by Christo and Jeanne-Claude, where they surrounded eleven islands in Biscayne Bay with pink fabric.

A Line Made by Walking is a Land Art project by Richard Long, where he walked a 22-mile line along the River Avon.

Spiral Jetty is a Land Art project by Robert Smithson, featuring a 1,500-foot-long spiral jetty constructed from black basalt rocks.