This tour is SOLD OUT – please join our waiting list by following the info link at left. View all… Read More

Join PHS as we tour Costa Rica, one of the most biodiverse countries in the world with cool cloud forests, lush riverban… Read More

This tour is SOLD OUT – please join our waiting list by following the info link at left. View all… Read More

We invite you to join us as we explore the enchantment of Guatemala, the Mayan and scenic wonderland of Central… Read More

Our tour begins in Palermo, a city rich in history, art and exotic, lush plants. We continue to Agrigento to… Read More

Landscapes and Floral Botanic gardens, deep gorges, and the Valley of the flowers! Come and explore the spectacular land… Read More

We invite you to join us to explore the wonderful wildflowers, wildlife and spectacular landscapes of Alaska in 2020! Al… Read More

Join us in Santa Fe, the oldest Capital in the United States, located in the foothills of the Sangre de Cristo… Read More

The Galápagos Islands were Charles Darwin’s “Living Laboratory of Evolution,” named for the tortoises that roam t… Read More

Each year, millions of monarch butterflies (Danaus plexippus) make the journey from North America to Mexico’s Sierra M… Read More