Travelzoo offers Titanic: The Artifact Exhibition Tickets at the Luxor Hotel & Casino in Las Vegas, NV, for $21. That's tied with our mention from three weeks ago, $14 below booking directly, and the best price we've seen for tickets to this exhibit. It features over 200 authentic artifacts recovered from the wreck site of Titanic. Upon arrival, present a printed voucher for admission. Book this travel deal by June 30 for use through the same date.

Of note, a kids' ticket is available for $18. That's $14 off list and another price low.