A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

An astounding collection of medical specimens, including bits of President Lincoln.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Dedicated to the history of the health sciences.

This natural spring not only claims to heal the wounded but it has also been willed to God.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An emerald-green grotto just a short trip from Austin.

World's first "penitentiary," meant to be humane, drove men insane.

The world's last remaining store of its kind.

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

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The magic's in the hole!

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

Every summer West Seattle experiences a housing bloom.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

"The House That Love Built" is shying away from "The House That Ghosts Love."

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.