On the waterfront of Sydney, Nova Scotia, a 60-ft. fiddle greets incoming ships.

These eight mummies are the best-preserved human remains ever discovered in North America.

In the middle of the Alaskan wilderness, lies a train trestle to nowhere.

A colossal gold-dredging machine from the Klondike mining boom, now open to tours.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

One of the best views of the city is tucked away at the top of a water tower.

This park celebrates a sister city relationship that survived the Cold War.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

The unusual patterns in this rock formation result from two distinct modes of weathering.

This alpine statue of Jesus in Silverton is said to protect both miners and local economies.

This balancing rock is one of Utah's most unusual geological formations.

The location where the iconic movie character declared it was time to go home.

When ecosystems collide in the arid Southwest.

This spectacular track has run continuously since 1882.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

An eerie natural formation that looks right back at you.

This once-booming Gold Rush town is now home to a herd of feral donkeys.