A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

The largest island on the great salt lake is home to curious creatures and strange stories.

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

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930s version of "infotainment."

The drama of nature in full effect in this Nevada State Park.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

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

New Orleans' famous cemetery, located on the site of a former race track.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

A monument to the military service of America's greatest traitor refuses to even name him.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

The most confusing clock in New York.

"A hideous albatross in the Hudson River Valley."