Since 1929, this institution has been serving one of the most celebrated po’ boys in New Orleans.

These markers are used to determine the ground stability of the Strip.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

Opened in 1911, this small shop is the oldest ongoing establishment in St. George.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A tunnel with windows, so you don't miss out on the impressive views.

Perhaps the most scandalous statue of America's first president.

These 11,000-year-old mounds may be the oldest known human-made structures in the Americas.

This strange, small castle on the bayou has withstood the test of time and weather.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

California's largest steel arch bridge.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

The Ortega family started their iconic food company in this small, adobe kitchen.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

An eerie natural formation that looks right back at you.

A music-filled, booze-soaked oasis in the desert.

A fake town founded by Western movie stars is now becoming a hip desert community.

Meet 'Big Josh,' the 20-foot-tall muffler man.