This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

Four antique Baldwin trains are kept on display in the Mal Tiempo train depot.

Prehistoric history as seen through the lens of an outsider artist.

An old slave lookout in Cuba's historic sugar cane fields.

Roam the cradle of the Cuban Revolution with life-sized dinosaurs.

Neo-cave art on the macro scale.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Baroque celebration of the end of the Great Plague of Vienna.

The Habsburgs' royal collections of art and wonders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Home to items never before seen by the public.

One of few lasting examples of the brief octagon craze that developed into folly.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

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

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.