earthworks

<n>Golden Spiral</n>, a <n>land art</n> sculpture by <n>Hannsjörg Voth</n> in Morocco. Photo by <n>Ingrid Amslinger</n>.

A snow spiral land art piece by artist <n>an-narte</n>.

The 400-year-old boxwood maze at <n>Pazo de San Lorenzo de Trasouto</n> in Santiago de Compostela, Spain.

The <n>Labyrinth at Land’s End</n> in San Francisco.

An ephemeral land art sculpture made of woven branches by artist <n>Andy Goldsworthy</n>.

<n>Robert Smithson</n>'s earthwork, <n>Broken Circle / Spiral Hill</n> (1971), in Emmen, The Netherlands.

<n>Rowanberry Tree Altar</n> (1999), a land art installation by <n>Nils Udo</n>.

A spiral water feature at the <n>Neelkanth Mahadev Temple</n> in Mandu, India.

A large-scale sand drawing by land artist <n>Jim Denevan</n> on a beach in California.

An image from <n>Peg Streep</n>'s 1999 book, <n>Spiritual Gardening</n>.

<n>Robert Smithson</n>'s land art <n>Broken Circle/Spiral Hill</n> (1971), photographed by the artist in Emmen.

<n>Journey Work</n>, land art by <n>Olivia Wright</n>.

The <n>Bighorn Medicine Wheel</n> in Wyoming, a sacred stone structure with astronomical alignments.

<n>Flax Weaving</n> installation at <n>Flax Fest</n> in Donegal Town, 2015.

Farmer <n>Winston Howes</n> planted thousands of oak trees to create this heart-shaped meadow for his late wife, <n>Janet</n>.

An untitled <n>Land Art</n> sculpture by <n>Andy Goldsworthy</n> made with powdered red earth and sand.

<n>Sculpture for the Earth</n>, 1975, by Polish artist <n>Teresa Murak</n>.

A <n>Snow Spiral</n> on a tree, an example of <n>Land art</n>.

<n>Meg Webster</n>'s <n>Post-Minimalist</n> sculpture <n>Stick Spiral</n> (1986). Photo by <n>David Heald</n>.

<n>Snow Circles</n>, a snow sculpture by artist <n>Andy Goldsworthy</n>.

<n>Michael Heizer</n>'s land art, <n>Circular Surface Planar Displacement Drawing</n> (1970). Photo by the artist.