This wilderness hike to a waterfall has an unlikely beginning in suburban Reno.

Towering basalt columns, a creation of fire and ice.

A natural dome made of volcanic glass in Inyo National Forest.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

This small museum is an eccentric shrine to boyhood in the 1960s.

Stumps of an Ice Age forest, visible only at low tide.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

It's not a typo, now say it five times fast!

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This landmark cemetery in Boston was created more than 300 years ago.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Friction between grains of sand cause a curious "singing" sound.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A beautiful Victorian-era cemetery, complete with a miniature village.

The only structure left with direct ties to the Salem witchcraft trials of 1692.