Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

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.

Oldest building in California still in use.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

An icy behemoth that towers over you with a blue ice cave in the winter and a roaring creek in the summer.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

The sculpture's largest spire points directly toward the North Star.

A trading post in the North Pole where children send letters.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A hotel with a rich Wild West history of miners and bootleggers.

Sip heritage cider with a surprising backstory at this family-owned cidery.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This small museum is dedicated to the study of coprolites, or fossilized poop.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The world's largest moose statue towers above the highway between Oslo and Trondheim.

This handsomely carved wooden church is more than 800 years old.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.