A 30-mile-long glacially-carved canyon leads to a massive pair of glaciers.

Known as the “Official Greeter of Juneau,” this dog still welcomes ships and their passengers to Alaska.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

A historic freight system that found the true gold rush is in tourism.

Collection of fossils, plants, and ancient animals encased in amber.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This legendary urban waterfall creates a dazzling display of rainbows.

This black shoreline is made up of exploded lava particles.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This unusual lava tube spouts seawater during high surf.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

Giant marble phalluses on the sacred island of antiquity.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

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

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

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

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

The only house in Oregon designed by the famous architect, Frank Lloyd Wright.