Deep vertical fissures like miniature slot canyons cut across the cemented volcanic rock of Black Point above Mono Lake.

Race through the maze, get your name on the sign.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

Watch the newest land on the planet form before your eyes.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This legendary urban waterfall creates a dazzling display of rainbows.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

A vertically floating hemlock controls the waves and weather at Crater Lake.

A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

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

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

One car at a time please.

A small chapel celebrating the spiritual bond between dogs and humans.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

The highest peak in the state of Vermont has some interesting features.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

On the Hudson resides one of the largest clocks in the world.