This eagle-topped spire remembers the military commander who snatched up California for the United States.

Fake rail crossings mark the site of an influential doctor's demise.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This tiny museum's sizable collection is jammed into a former underground public toilet.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Outlaws, hot springs, and tragedy have all left their mark on this ancient road in the Icelandic highlands.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This stunning concert hall has become a symbol of Iceland's national recovery.

Iceland's tribute to its thankless civil servants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The ritual has been performed uninterrupted for nearly 700 years.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.