Tour the original street level of Port Angeles, buried underground in 1914.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

The remains of a former logging boom town, crumbled away in the forest.

A short hike into the mountainside forest reveals a decaying 1890s town.

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

This Seattle store is packed with all sorts of curious creatures and creations.