The largest earthwork effigy in the world.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

Few people have ever heard of, let alone visited, one of Turkmenistan’s most impressive natural attractions.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This remote stretch of sand is a penguin lover's paradise.

This unusual lava tube spouts seawater during high surf.

This unique 230-foot waterfall is a natural beauty hidden within the vast wild landscape.

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

Erosion and time have created a naturally-formed water park.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

This little museum in the town where zombies were born celebrates the living dead.

There is beauty and history in the ruins of this former company town.

This public space is speckled with the eerie remnants of a defunct amusement park.

This elegant arc of a waterfall marks a religious turning point.

A little-visited waterfall in an otherworldly landscape.

A clear example of the process of erosion in action.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

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

Incredible rock formations jut from the southern end of this spectacular stingray-viewing spot.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.