A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A giant Troll lurks under one of Seattle's oldest bridges.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

A sweet tribute to Georgia's official state vegetable, which even has its own mascot: "Yumion."

An old bank vault in Atlanta is now the eternal shrine to the King of Rock and Roll.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

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 spectacular track has run continuously since 1882.

A popular rock that acted as a waymarker for American pioneers.

A river runs through this remote valley in a very unexpected way.

This Wyoming town is fascinated by a particular mythical creature.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

Massive still life just off the highway in Kansas.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.