The ruins of a monastery that dates to the 7th century.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

An extraordinary mixture of natural beauty and man-made phenomena.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

An effigy of Vancouver's Gastown neighorhood's namesake.

This enormous photomural pays homage to Vancouver's infamous history of public activism.

First flying reptile discovered in British Columbia was for years forgotten in a cabinet.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

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

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

A pair of gigantic baby heads greet passengers at Atocha Station.

An ongoing medieval tradition of communal pig husbandry is honored with a handsome granite sculpture.

Giant granite sculptures representing family on the northern coast of Spain.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.