Granting the right of way to ships over surface traffic since 1917.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

An outsider art duo's yard has been turned into a whimsical public gallery.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Walk the whole Mississippi River!

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

No one knows the origin of this small town’s unique name.

Home with Gothic windows featured in a famous painting.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

Ever wanted to can Spam?

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

The first declared National Monument in the United States.

The world's largest Holstein cow.

A monument to the center of the North American continent may be off by a few miles.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Experience a charming 1930's version of "infotainment."

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

Singing sand that stands as the final remains of an ancient lake.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.