Toss a Frisbee through the ruins of this Colorado gold mining town.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

A multiversal transit station located right below a highway interchange.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

An exotic wildlife habitat right off The Strip.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

A spherical "micro-nation" in the heart of Vienna.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

When flour explodes, it's not a pretty sight.

A mental health hospital dating back more than 139 years, now features a museum.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This nearly abandoned town was once a thriving mining community until a series of fires.