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

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

One of the most unusual geological features, recognizable from a dozen hit movies.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The largest drain hole in the world.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

San Francisco Bay's ghost town.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

The ghost town that ended up on Ebay.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

See massive fossils that are over 200 million years old in northeastern Arizona.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

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

The "Seinfeld" diner.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.