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

A walk through the historic city center, under the streets of Seattle.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

This Seattle museum displays the history of the telephone through an impressive collection of telecom equipment.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Massive crater in central Oregon.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Memorializing an American tragedy of massive proportions.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.