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

Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

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.

The world's largest collection of garden gnomes lives among the trees and wildflowers on this woodland reserve.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

Perhaps the only prehistoric monument with its very own public bus stop.

An enigmatic natural rock formation with a manmade passage cut through the center.

A circle stone within a stone circle.

The remains of the great moral philosopher reside in a university in London.

A tiny cafe that recreates the Japanese elementary school lunch experience.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

A neo-Gothic temple in central Mexico featuring a labyrinthine network of crypts.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

This golf ball–shaped former desert real estate office now houses a UFO museum.