This 1,300-year-old marker is one of the finest and most complete early Christian crosses in Scotland.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

Burbling away in refrigerators are 105 sourdough starters from around the world.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

Japan's largest area of "pink moss" turns the hillside bright pink every spring.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Yup, that's a 330-foot yacht passing over the highway.

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

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

The cultural center preserves the history of the Tlingit tribe, who have lived in this Alaska village for more than 10,000 years.

This bright yellow bridge is a true engineering feat.

Thousands of artifacts tell Mongolia's military history, from the Bronze Age to the present.

A deserted island in southwest Japan that once sheltered persecuted Christians.

Just a man taking his prehistoric pet for a stroll.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

An unusual monument to a 19th-century circus star.

A registered historic landmark shrouded in unsettling local legends.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

Come in, light some incense, and ignore the live snakes around you.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

This fairytale-like structure is the last turf church ever constructed in Iceland.