This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Famously misunderstood wonder of the ancient world

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

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

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

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

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

From the Difference Engine to the Cray-1, all under one roof.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Quite simply the largest tree in the world (by volume).

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A hotel and restaurant serving as the mecca of kitsch.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A sprawling collection of over 106,000 toys from around the world.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A unique geological area spiked with wind-carved rocks that resemble teepees.