This little blue house pokes out over the campus of UC San Diego, seven stories high.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

This Pringle-shaped ledge makes for the perfect photo op.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This historic tower in the California desert promises visitors a "vortex of good vibes".

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Concrete strongholds stand guard over the Golden Gate.

A fantastic castle rumored to be the birthplace of King Arthur.

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.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

This Scottish burial tomb once held hundreds of ancient eagle bones.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

Used as an example in one of the first dictionary entries for "museum" in 1706.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

One of Europe's oldest libraries.

The last bastion of Roman presence north of the Alps looms over a German town.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

The fairy tale castle of the "fairy-tale king."