Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A section of this cemetery is dedicated to the lives lost from years of exposure to contaminated water.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The United States Capitol's former columns still stand.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

This sinkhole is disguised as a pond and named after the man who stumbled upon it.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

America's second-oldest brick baseball stadium was home to a legendary WWII series that only sailors got to see.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.