Wealthy travelers are flocking to luxury trains costing more than $4,000 a night

Wealthy travelers are increasingly booking luxury train vacations.

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• Wealthy travelers are increasingly booking luxury train vacations.
• High-end suites often include amenities like bottomless Champagne, butlers, and private bathrooms.
• A night on Belmond's iconic Venice Simplon-Orient Express starts at about $4,370 per person.

Vintage luxury is making a comeback. Not just with clothes, but with a particularly beloved mode of transit — trains.