Founded as a refugee camp, now a popular tourist spot.

Elvis's own personal tropical hideaway.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A Bibliophile's Dream.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

A clear blue swimming hole with hidden caves, still unexplored.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

This replica of the Greek structure is in the heart of Nashville.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

More than five miles of underground passageways.

This historic train station has been converted to a locomotive themed hotel.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.