This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.

This remote lake in Siberia supposedly contains a fearsome sea monster.

Two islands just 4 km apart separated by an International Border and Date Line.

No one knows why ancient labyrinths were built on this tiny northern island.

Unusual, mushroom-like rock formations caused by weathering and water erosion, set to disappear, according to geologists.

A remote forest of stone pillars along the Lena river.

The world's second-largest excavated hole.

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

Small Island off the coast of Greenland.

At the base of Steens Mountain resides an otherworldly desert.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

A volcanic landmark located on an Ice age lake bed.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

A massive sea stack famous for its appearance in The Goonies.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This frequently-photographed waterfall takes only a short hike to visit.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.