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

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

Massive crater in central Oregon.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

A sprawling cave network created by a lone lava tube.

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

Formerly secret, precariously perched boulders.

A volcanic landmark located on an Ice age lake bed.

A volcanic fissure over two miles long and up to 70 feet deep.

An unfinished railroad project is now a hidden tunnel.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

Only known mainland rookery of the threatened Stellar sea lion.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.