Over 315,000 preserved amphibians and reptiles in jars.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A hidden subterranean installation offers a view of the sky.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A miniature view of the park, caught in time.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

Guns that have been defending San Francisco since 1904.

A tribute to the artist and activist who created the rainbow pride flag.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

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

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

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

An encyclopedic collection of mammal penises.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

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