The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

A little piece of Paris in the sultry south of the U.S.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

An old-timey wax exhibition campily depicting New Orleans legends and scandals.

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

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

This giant temperature attraction created some giant electric bills.

Thousands of turbines whir at the origin of North American wind power.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Oldest building in California still in use.

Sports history, made in the Arroyo Seco.

Wild West history in Hollywood style.

A "haunted" landmark on the coast of Southern California.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Home to the most complete dodo remains known - one head, and one foot.

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

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

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

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.