A magnificent waterfall nestled in the heart of the El Yunque National Forest.

Thousands of turbines whir at the origin of North American wind power.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

A sycamore tree grown from seeds that traveled to the moon.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

There's more contention than one might expect from cherry pie pans.

Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This historic lighthouse was well known for the large number of women who served as its keeper.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

These unique rock formations were created during the Ice Age.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The first of Lancaster's "rural cemeteries."

Bizarre Cavern.

Outsider art meets paleontology at this roadside reptile repository.

The world's longest known cave system.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

The only zoo where you can buy animals that won't need feeding.