Many generations of travelers have passed through the steep, smooth walls of this canyon.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Colorado's only true geyser is hidden within the San Juan National Forest.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

A cemetery where many of those buried had a flair for the dramatics.

The site where Michigan launched its first rocket into space lies abandoned in the dense woods along Lake Superior.

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

Trade in that pesky human soul for cold-hard circuits.

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.

This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

An otherworldly, fossil-rich cobble beach holds Viking graves, cairns, and other remains.

The suspected burial mound of legendary Viking Björn Ironside.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Tubing through a cave lit with glowworms is a magical underground experience.