A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

The quintessential Japanese rock garden has existed for more than 500 years.

The oldest Roman lighthouse still in use.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

The highest point in Washington state is a volcano covered in glaciers.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Pompeii's less famous neighbor is still revealing her secrets.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

The modern birthplace of Irish freedom.

Climb inside an iron crystal magnified 165 billion times its normal size.

Four alabaster giants contemplate the tides on the shore of Denmark.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A walk through the historic city center, under the streets of Seattle.