WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

Legends say this red sandstone monolith and the dozens of smaller boulders that surround it were once a coven of witches—before a Scottish wizard turned them all to stone.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

This massive Maya archaeological site is home to the tallest man-made structure in Belize.

An important Mayan religious and trading center dating back to 200 BC.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

The largest and most well-preserved petroglyph site in the Verde Valley.

A Wild West jailhouse that slid down the mountainside.

An urban laboratory.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

A spiritual vortex among the red rocks in Sedona.

This historic national park is covered in the stunning ruins of red rock pueblos.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.