Portland had a unique approach to Cold War-era protections.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A botanic garden full of trees twisted into fantastic shapes and positions.

This natural marble cave is one of only five national monuments in Oregon.

Shakespeare has been brought to life in this open air theater for the better part of a century.

At this California chicken ranch, four bucks will get you 18 eggs and a chorus of dancing animatronic poultry.

The abandoned personal amusement park of the King of Pop.

The world's first motel is now an administrative building for an apple farm.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

A hotel and restaurant serving as the mecca of kitsch.

Colorful Native American paintings are hidden within this small cavern.

Megachurch turned Catholic church comprised of 10,000 glass panes.

This general store offers visitors a glimpse back into the 1930s.

This unconventional used book store was once in the news for the surprising act of burning books.

A tiny racehorse graveyard in the middle of a quiet Kansas City suburb.

The face of the famed flier in a hillside in her hometown.

Topeka has its own great wall, and it's covered in colorful images from the city's history.

Why settle for barbecue chips when you can get actual barbecue?

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

Curious cave that stays a cool 56 degrees all year long.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

Kentucky's longest operating jail is now a spooky spot to spend the night.