An acoustic anomaly with a mysterious cause.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

The first life claimed by this record-breaking peak wasn't lost to exposure or a fall but rather lightning.

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

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

This old mining town, deep in the California desert, has a year-round population of one.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

"Only the devil could play golf here."

The rocks in this arid basin leave trails of movement behind them.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Home of an evil witch famous within southern folklore.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.