This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

This black shoreline is made up of exploded lava particles.

This legendary urban waterfall creates a dazzling display of rainbows.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

The oldest restaurant in Portland serves fiery coffee cocktails and an astounding amount of turkey.

Hidden in Portland’s West Hills, a 170-year-old marker literally stakes out the Pacific Northwest.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

This small, rural pioneer cemetery is full of interesting grave markers.

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

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

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

The flow from this waterfall sometimes comes out of springs below its rim.

One of only five observatories in the world built to measure the Earth's wobble.