The medieval castle built as headquarters for the Pope's secretive Knights Templar.

Nestled in the mountains of Portugal is a tiny village made almost entirely of schist.

Come for the bread-themed puppet show, stay for the buffet.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

A glacial valley filled with silver beech trees in the mountains of Portugal.

Panoramic views from the mountains over a facility built to provide tuberculosis patients with fresh mountain air.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

A cheese discovery made by shepherds became the pride of a region.

A neighborhood park in the city of Cáceres hides what some believe are revolutionary examples of Neanderthal cave art.

Picturesque intersection of witchcraft and ancient Christianity.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A small but charming botanical garden that contains many exotic plant species.

Ancient human, animal, and geometric figures drawn in the earth.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

Two geoglyphs that are truly unique to North America.

A small sanctuary carved into the mountainside near the tallest point in continental Portugal.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

This crumbling Portuguese ruin overlooks the populace it once ruled.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.