On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

The Uros people live on floating reed islands in lake Titicaca.

A six-ton wedding present for the King of the Scots.

America's only nuclear missile silo open to the public.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

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

The hallucinogenic center of the ancient world.

An underground city of salt.

The ghost town that ended up on Ebay.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Now containing the bones of the actual conquistador, instead of someone else.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

The oldest working mechanical clock in the world.

Famously misunderstood wonder of the ancient world

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.