When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

An homage to everyone's favorite prehistoric cartoon family.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

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

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Rippling sand dunes frozen in the Arizona rock.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

A sharp bend in a dramatic river canyon cut through red rocks.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Most-visited and most-photographed slot canyon in the American Southwest.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

A breathtaking viewing platform over the Alps.

Dedicated to this region's early settlements and rich history of salt mining.

The world's oldest known salt mine.

An Austrian house of bones filled with hundreds of intricately painted skulls.

Be(w)ar(e) the moat around this historic Czech castle.

A Baroque mansion with ties to legendary magicians and alchemists.