Historic funicular railway, believed to be the shortest railroad in the world.

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

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

A beautiful geyser under environmental threat.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

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

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Dramatic river bend surrounds a natural red-rocked pedestal.

The legendary building that needed ghostly approval before being built.

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

Elevated freight railway turned wildly successful urban park.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The first declared National Monument in the United States.

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

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

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

This old-fashioned carhop restaurant gave the world the waffle cone.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...