This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

This small group of sand dunes manages to pack in a strange rainbow of colors.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

An ancient neolithic tomb that only sees the sun twice a year.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The ancient tomb acts as a calendar that keeps perfect time.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

A huge Megalithic chamber tomb located behind a cafe.

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

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The ancient latrines of the Greeks, in all their public glory.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

1513 Turkish world map, full of European state secrets and snarky commentary.

An autonomous republic of Orthodox monks.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

Mysterious standing stone formations looks like a petrified forest.

Rock carving created 1,300 years ago 75 feet off the ground.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

UNESCO-protected ancient burial ground.

Roman ruins top white travertine terraces formed by ancient hot springs.