This charmingly homemade amusement park has been growing for 40 years.

See the computer’s history revealed over the course of 20,000 years.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

When in Idaho, sleep in a giant potato.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

A Roman-style column in Oregon hides a spiral staircase inside.

A smoke stack so large, the Washington Monument could fit inside!

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The magic's in the hole!

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

The remains of a former logging boom town, crumbled away in the forest.

This expansive bridge in the Canadian wilderness was originally just built for friends.

This quirky piece of naval artillery has been deafening Canadians for over a century.

This Elizabethan hedge maze is one of only six in North America.

Few other hotels can rival the grandeur of the Castle in the Rockies.

The natural hot spring that was integral to the creation of Canada's first national park.

A sprawling museum located on the former site of the Orphan Girl Mine.

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

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.