This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

A 300-ship graveyard, with a few still visible at low tide.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

The rusting remains of the largest assembled WWII fleet on the West Coast.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

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

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

All aboard the world's longest miniature railway.

The largest wooden building in the world now houses a fascinating collection of aircraft.

A lighthouse built to save lives that took quite a few with its treacherous location.

Where Nor'easters go to die.

Only known mainland rookery of the threatened Stellar sea lion.

100-year-old shipwreck you can walk up to at low tide.

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.

This dilapidated ship carcass covered in trees is a striking sight.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

A museum dedicated exclusively to aircraft used in the military.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

This sprawling museum holds one man's giant collection of real tanks.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.