Arrr! The most authentic collection of pirate artifacts in the world... matey.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A mysterious castle built as a monument to lost love.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Alexander Hamilton’s creation caused quite a bit of controversy.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A Civil War Museum with some notable medical antiques.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

This building contains handprints that are well over a century old.

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.

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

Elvis's own personal tropical hideaway.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Walk the whole Mississippi River!

More than five miles of underground passageways.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Dine like an American revolutionary at Colonial Williamsburg.

One street divides a single town that stands in two U.S. states.