Five candy-colored villages on the Italian Riviera.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

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

Dramatic river bend surrounds a natural red-rocked pedestal.

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

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

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

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

A massive volcanic plug is now a protected area that hosts a number of bird species.

An alley covered with 20 years of bubble gum.

A hotel and restaurant serving as the mecca of kitsch.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

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

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.