Mystery

This remote sandstone cliff has one of the richest collections of Livonian petroglyph marks.

Over a decade ago, painted penguins mysteriously appeared around Berwick-upon-Tweed for no apparent reason.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

Disturbing winged beings decorate the walls of this strange abandoned hermitage.

A strange anthropomorphic stele with a mysterious inscription that has never been deciphered.

This archaeological museum in one of Peru’s most intriguing regions exhibits ancient artifacts from the Nazca civilization.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

A staggering number of rock carvings in an abandoned quarry.

These mysterious mazes carved on the rock may be up to 4,000 years old.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.