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

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The "Prussian Versailles" that is as glorious today as when it was built.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

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

A beautiful geyser under environmental threat.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Largest Kauri tree in New Zealand.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

Bizarre Cavern.

The footprint of a frustrated devil in Munich's Cathedral.

Legendary site where an evil bishop was devoured by rodents.