This maintained cabin is where Josie Morris, an occasional associate of Butch Cassidy, lived out the last 50 years of her life by herself.

The legendary building that needed ghostly approval before being built.

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

Eerie ruins of an abandoned medieval fishing village crumble atop an unforgiving stretch of earth.

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

Medicinal spa created with the discharge from a geothermal energy plant.

Walk in the footsteps of the gods and straddle two tectonic plates.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Tubing through a cave lit with glowworms is a magical underground experience.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

The first home and studio that belonged to the famous architect.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The resting place of a Civil War celebrity's amputated limb.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.