Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This free, take-a-book shop seems like a trick but isn't.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

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

Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

Ruins of a German Castle on top of a towering stone pillar.