Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

A secret climbing tree hides along the side of a Costa Rican road.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

Sloth rehabilitation center in the jungle of Costa Rica.

The second oldest continuously operating bar in Louisiana.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Geothermal waterfalls in Tuscany.

Stalactites and stalagmites in a beautifully lit cave.

Renaissance villa and gardens complete with a tormented colossus.

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

A submerged archeological park still holds the wonders of a Roman Sodom.

Architectureal fantasy quarter of Rome.

The world's northernmost aquarium looks like it has fallen over.

One thousand trees were planted in Norway to be used to print books a century from now.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Walk behind a 50-meter-high waterfall.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

A stunning silver lining to global warming's gloomy cloud.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

A serpentine highway twists and turns over the treacherous Norwegian Sea.