This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Cathedral carved out of salt, located a mile below the Earth's surface.

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

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The largest wooden building in the world now houses a fascinating collection of aircraft.

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

Inside a humble hangar is some of the best roller derby the world has to offer.

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

Private collection of art inspired by cabinets of curiosity.

10,000 flowered plants bloom in the City of Roses.

A sculpture of a salmon swimming through a brick building.

A heavenly experience, right here on Terra Firma.

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

A wall of chewing gum moonlights as collective art.

Only known mainland rookery of the threatened Stellar sea lion.

This frequently-photographed waterfall takes only a short hike to visit.

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

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Two massive rock outcroppings on the Oregon coastline.

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