A "haunted" landmark on the coast of Southern California.

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

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

A historic fort commemorating the United States' naval history.

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.

A small, peaceful sculpture garden with a grim memorial to a disaster that took place a few blocks away.

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

A relic from a forgotten bakery chain still spins atop a diner.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

The last Americana on Route 66.

Hundreds of trees made from glass bottles make up this forest on Route 66.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The ghost town that ended up on Ebay.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Don't blink or you'll miss it.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Legends surround this jagged rock formation in the New Mexico desert.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.