The final resting place for the famed creator and narrator of "The Twilight Zone."

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

The first commercial nuclear power plant constructed on Long Island.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

A relic of the Cold War in Chicago.

A museum within a museum, devoted to history's most questionable medical devices.

An astounding collection of medical specimens, including bits of President Lincoln.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

This former sewage pumping station is now a fascinating museum.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

Before he was forced to flee the country under Nazi rule, Albert Einstein spent his summers in this custom-built lakeside house near Berlin.

This lighthouse was crafted as penitence for the theft of wine bound for a monastery.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

This set of hot springs also comes with fantastic views.

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

For this chef, an active volcano is his oven.

These tiered rice paddies were carved into the hillsides 2,000 years ago.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

When flour explodes, it's not a pretty sight.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.