A spiritual vortex among the red rocks in Sedona.

One of the oldest living oak trees in the Southeast.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Yo, Adrian!

A former major munitions plant that has been converted into a sprawling art space.

A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

This grand gothic brewery has been pumping out suds for over a hundred years.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A historic covered bridge, only one of two remaining in North Carolina.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The world's longest known cave system.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Only known mainland rookery of the threatened Stellar sea lion.

Portlandia is the second-largest copper repoussé statue in the United States.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

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

This sandstone mansion was the home of two of Oregon's most important pioneers.

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

This woodland architectural installation acts as a camera obscura for the heavens.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.