The Holbrook Explorer

Chichen Itza - Pre-Columbian city build by Mayans - Located in Mexico's Yucatan Peninsula - UNESCO World Heritage Site; receives 1.2 million visitors annually - El Castillo ('the castle') is a 90 ft

Specialty Travel Consultant Lisa Palmese-Graubard recently returned from her first ever trip to India.

Ruby-throated Hummingbird (Archilochus colubris) - Migrate on a 500-mile, non-stop flight over water - Have largest breeding range of North American hummingbirds - Double their mass before migration

Three-toed sloth (Bradypus variegatus) - Travel at top speeds of 0.15 miles per hour - Sleep 15-20 hours a day - Are good swimmers - Can turn their necks 270 degrees because of an extra vertebrae

Llama (Lama glama) - Weigh between 280 and 480 lbs as adults - Females are induced ovulators - Highly social and intelligent - Significant symbol of Incan culture We're counting down to 2013 with a

Máquina (Yank Tank) - An estimated 60,000 still drive in Cuba today - The embargo means that new replacement parts are unavailable - Almost all are privately owned - Most cars were produced in the 1