The ruins of a town wiped out by the second-largest earthquake in recorded history.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

Considered by many to be one of the most dangerous highways in Alaska.

A tribute to a hometown hero and surfing legend.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Genesis of modern hydroelectric power.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

The largest earthwork effigy in the world.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

This campus museum commemorates a national tragedy.

The largest ancient burial mound in Ohio.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Rare recess caves fill this unbelievably beautiful Ohio park.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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