This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A reproduction of earth's many biomes.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

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.