A common entry point to the Griffith Observatory trail holds its own wonders.

The only way to visit this old resort hotel is with scuba gear.

Traditional 15th century Chinese garden in the middle of Vancouver.

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

Only known mainland rookery of the threatened Stellar sea lion.

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

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

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This beautiful landscape is the only Sichuan-style garden outside of China.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

A (slightly) grownup take on the classic retro arcade.

The illuminated falls are a gem in North Cascades National Park.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

An obscure waterfall that looks like something out of a fantasy novel.

An extraordinary mixture of natural beauty and man-made phenomena.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A whimsical village of unique treehouses resides in a Washington forest.

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

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.