This park is home to a massive bird sanctuary.

The second-largest giant sequoia in the world.

The original span of a high bridge across the deep Crooked River Gorge has been preserved for pedestrian use.

The highest waterfall between the Rockies and the Appalachian Mountains.

A rare venue to buy specialty maps.

This tree has witnessed nearly 1,000 years of history.

A monument commemorating the discoverer of radio astronomy.

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

A large wind turbine installation in central Washington State is home to an extensive set of interpretive exhibits.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

The home of a former Minor League baseball team that beat Joe DiMaggio's New York Yankees in 1949.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

A herd of roughly 250 American bison roam these plains.

This hauntingly beautiful stretch of Florida coastline is covered in sun-bleached trees.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Tour a Cold War-era U.S. military missile launch site in Anchorage.

The now-serene site of the largest earthquake ever recorded in North America.

Large rocks have been painted to whimsically resemble wild and farm animals.

The largest protected conservation area in the Ozarks—a region that stretches into northern Arkansas and southern Missouri.

A museum celebrating a couple who loved to travel the world and to bring its treasures back to Montezuma, Kansas.

Five mythical trolls have taken up residence in woods and hidden on paths at the Coastal Maine Botanical Gardens.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

This tiny, triangular block has held the world record since 1964.