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.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

A historic freight system that found the true gold rush is in tourism.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

A tourist attraction founded around a slumping cabin.

This former coal gasification plant found a curious second life as a popular public park.

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

A haven for wildlife amid the farmlands and development of the Willamette River Valley.