The highest point in Washington state is a volcano covered in glaciers.

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

Couple's personal collection of pinball machines turned public pinball museum.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Lucha Libre (Mexican Wrestling) themed taco shop.

Two massive rock outcroppings on the Oregon coastline.

Portlandia is the second-largest copper repoussé statue in the United States.

A massive sea stack famous for its appearance in The Goonies.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

An emporium for the weird, creepy, rare, and just plain gross.

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.