A prehistoric cave in Spain contains paintings dating back to the Ice Age.

A giant repository of accidentally discovered cave paintings up to 30,000 years old.

See replicas of Europe's most famous cave paintings and even some of the animals that feature in the art.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

A Buddhist shrine in a cave protected by macaques next to dark passages lined with creepy paintings.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

Colorful Native American paintings are hidden within this small cavern.

The walls of this sandstone outcropping are covered with 2,000-year-old artwork.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This ancient rock painting is the oldest evidence of humans’ love affair with honey.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

One English town's celebratory landmark spurred more trouble than anticipated.

This mysterious chalk figure of a horse has been recreated and restored for more than a century.

A hill carving of the legendary dragon that terrorized the village of Bures in the Middle Ages.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

England's largest white horse isn't even white.

Ancient human, animal, and geometric figures drawn in the earth.

This unusual geoglyph was built as a warning so low-flying aircraft wouldn't scare the zoo animals.

Two geoglyphs that are truly unique to North America.

The geoglyph once sported a glass bottle eye.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.