The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

A stone memorial erected for New Hampshire's only convicted witch.

The mansion and cenotaph of the New Hampshire Faust.

This picturesque abandoned home is rumored to be a spite house.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

The longest living non-clonal organisms on Earth.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

This Moab institution functions as both a rock store and a small natural history museum.

A small oasis not far from downtown Moab.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.