Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

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

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

This former asylum for Black Americans is haunted by its history of violence and racism.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

The oldest operating pharmacy in the world features 800-year-old recipes.

Putting the "mod" in "modular" since 2000.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

Only intact Ichthyosaur skeleton in the United States.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.