This longship was a gift to commemorate the 1500th anniversary of the Anglo-Saxons arrival in England.

A unique seaside cave where Aleister Crowley faked his own death.

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This man-made mound monument was built out of soil from all across the Polish empire.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

A hardware store Buddha statue installed to deter vandalism wound up attracting Vietnamese immigrants who came to pray.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

One man's quest for the ultimate road trip vehicle.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

More than 700 species live within this murky marvel of a swamp on California's coast.

One of the best absinthe distilleries in the United States.

The Giant Lemon of Lemon Grove.