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

Site of the greatest known waterfall that ever existed.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

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

"The House That Love Built" is shying away from "The House That Ghosts Love."

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

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

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

A historic and oft-filmed prison stands in a Chicago suburb.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

It's where the final scene of the beloved Tom Hanks movie was filmed.

A massive collection of rare and antique books in a tiny ranching community in northern Texas.

What remains of the summer palace of King Kamehameha III.

A historic presidential getaway on the continental United States' southernmost island.

A building so large that it has its own weather.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.