The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The Boston square dedicated to the dark poet who was born nearby.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

One man's ambition created this psychedelic log home.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This rustic old building is said to be the most photographed barn in America.

At the time of its completion, it was the tallest dam in the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The first declared National Monument in the United States.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A statue honoring 44 continuous years of greeting passing ships.

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

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

One of corporate America's best-kept secrets is also one of the most publicly displayed.

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.