A wall of chewing gum moonlights as collective art.

A smoke stack so large, the Washington Monument could fit inside!

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

An Aladdin's cave of old Silicon Valley tech.

Abandoned Nazi train station turned underground astroparticle laboratory.

The largest geyser field in the southern hemisphere is a spectacular sight.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

The largest permanent Monopoly board makes one of the longest games even bigger.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Golden Gate Park's historic collection of plants.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Perhaps the most beautiful of preserved saints, with a little help from Paris.