This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

When life gives you Prohibition, open a bar in Juárez.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A 17-acre urban oasis featuring a pollinator garden, heritage trees, and an aerial tree walk.

Next to Salt Lake City's Assembly Hall stands a tribute to some unlikely heroes of early Mormon settlers.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Considered by many to be one of the most dangerous highways in Alaska.

The now-serene site of the largest earthquake ever recorded in North America.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

The king of U.S. high points towers over every other peak on the continent.

This Alaskan town appoints the general store's resident feline as honorary mayor.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

A whale of a public art display towers atop Juneau's cruise ship dock.

The crumbling remains of Juneau's explosives storage site.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The picturesque remains of an abandoned silver mine slope down to Tagish Lake in the Yukon.