This terrifying glass bridge on the side of a mountain cracks as you step on it.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

A historic blockhouse and trading post give a glimpse into the early colonial history of South Carolina.

A much-maligned monument to teetotalism.

The most decorated dog of World War I is preserved in the Smithsonian.

A painfully obvious spy house sits right across the street from the Russian Embassy.

The site of the climactic scene from the classic horror film is now a historic landmark.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

This sandstone mansion was the home of two of Oregon's most important pioneers.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

The longest continuous lava tube in Oregon.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

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

An institution that preserves the history of institutionalization.

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.

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

Delightful disarray of found objects and clutter.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."