A rare double mill nestled along the banks of the Aa river.

Half of the Pulitzer Prize-winning author's ashes were buried in Armenia.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This two-legged horse statue celebrates a beloved cartoonist and his quirky characters.

These little-known sands dunes are a geological anomaly in Saskatchewan's southern prairies.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This single-track road rewards brave drivers with stunning Scottish scenery.

An underwater temple submerged for 20 years has resurfaced with an extreme drought.

A beautiful, abandoned farming headquarters overtaken by nature and graffiti.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

These sea caves are the source of Xigia Beach's distinct aroma.

A 17th-century doorway in a small Sabine village is a portal into the mysteries of alchemy.

Concrete pillars provide a beautiful canvas for Quebec City's graffiti artists.

An 11th-century medieval castle cascades over the town of Numão.

Two creeks flow out of either end of this canyon in opposite directions.

The last remaining bottle-shaped kilns in Scotland stand alone in an Edinburgh suburb.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

This beloved ancient tree is the pride of this city center.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A peculiar samurai statue overlooks the center of Brno.

A sculpture of a giant man escaping from the depths of the Earth.

This impressive rupestrian engraving dates back to the Upper Palaeolithic period.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.