Native Americans built this circle of stones, which was used to predict astronomical events.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

A fantastic castle rumored to be the birthplace of King Arthur.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

Famously misunderstood wonder of the ancient world

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Giant naked man on a hillside.

Fascinating town where normal life interfaces with the occult.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This Scottish burial tomb once held hundreds of ancient eagle bones.

A magnificent, iconic stone tower in the Scottish Highlands.

A pagan tradition of draping trees with rags eerily lives on.

A historic freight system that found the true gold rush is in tourism.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

Perhaps the world's only gas station inspired by a political scandal.