Three million year old fossils are exposed for all to see on this Icelandic shore.

This generously endowed statue once stood guard outside a Roman home.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

This Funeral Hearse Museum represents the finest in cadaver transportation.

A stately palace has been converted into the world's largest cannabis museum.

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

This cemetery features modernist statues as strange as its name.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Five million people are laid to rest here, more than the population of Madrid itself.

A church of bones, decorated with 40,000 human skeletons.

Not far from Madrid, a set of perfectly preserved trenches date back to the Spanish Civil War.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

One of the last free public hot springs is decorated with hippie art.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Fascination continues to surround one of history's most infamous shipwrecks.