Two flush headstones mark the only known graves to be embedded in an airport runway.

An eerie smiling woman looms above the granite tombstones.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

The first safe in this California town had to hold all the gold.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

This quirky curiosity shop takes its cues from the world's bazaars.

"X" marks the spot of an echo chamber in the middle of a plaza.