The longest continuous lava tube in Oregon.

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.

The oldest apple tree in the Pacific Northwest.

This edible park is open to any and all foragers.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

This Seattle joint serves food inside an old train car once used by FDR.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The world's largest rotating world.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This naturally-sourced hot spring is now home to a clothing-optional resort.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A giant 400-acre preserve in North Florida for displaced wolves.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Where manatees are the snowbird vacationers in these balmy Florida springs.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

An underwater city for the dead.

This historic hub for labor unions has survived the city's changing landscape.

The gravestones in this lost burial ground were bulldozed and replaced with houses and a dog park.

Mysterious ancient petroglyphs carved on a glacial boulder at the tip of Bainbridge Island.

This Cold War missile launch site has been abandoned for 40 years.

This remarkable collection devoted to the study of fish includes 1 million preserved specimens from all around the world.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.