Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

Archaeological sites and great food inside the island's largest mangrove forest.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

This vintage short line in Amish country runs passenger steam train excursions and still hauls freight.

This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

This small fort played a huge role defending Puerto Rico’s capital city.

The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

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

Thousands of turbines whir at 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.