Argentina

Domestic flights are the practical way to cover Argentina's enormous distances -- Aerolíneas Argentinas and budget carriers connect Buenos Aires with Patagonia and Iguazu Falls in a few hours each.

Long-distance buses are extensive and comfortable -- "cama" or "semi-cama" reclining seats make even overnight journeys reasonably comfortable.

Within Buenos Aires, the Subte (subway) and app-based rideshares are widely available and generally the easiest way to get around.

Argentina is generally safe for travelers, particularly in the main tourist circuits, though standard urban precautions matter, especially around theft rather than violent crime.

• Petty theft and distraction scams are the most common issues, concentrated in Buenos Aires' busier neighborhoods and on public transit -- the "mustard trick" (a stranger deliberately spills something on you, then "helps" clean it up while an accomplice steals from you) is a well-known local scam worth recognizing and simply walking away from.
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• Currency exchange has historically been a genuine source of confusion given Argentina's economic volatility and multiple exchange rates -- research the current, legitimate exchange situation before arrival rather than relying on outdated advice, and use official channels or reputable exchange houses rather than informal street changers.
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• Certain Buenos Aires neighborhoods, particularly La Boca beyond its touristy core, warrant extra caution, especially after dark -- stick to well-trafficked areas and take a taxi or rideshare rather than walking through unfamiliar barrios at night.
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• Patagonia's weather and terrain demand real respect -- sudden, severe weather changes are common even in summer, and hikers should carry proper gear, check conditions immediately before setting out, and never underestimate how quickly a clear day can turn dangerous in the mountains.
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• Emergency number: 911 works in Buenos Aires and most major cities; some rural areas use 101 (police) or 107 (medical) instead.