| PLACE | EXTENSIVE EXPERIENCE | LIMITED EXPERIENCE | ||
| Alaska | David Treder | |||
| Australia | John Treder | |||
| Banff National Park | David Treder | Treder Siblings | ||
| Bermuda | Mike Treder | |||
| Big Bend National Park | Mike Treder | Aria Treder | ||
| Blue Ridge Parkway | Mike Treder | |||
| Bryce Canyon National Park | ||||
| Cancun, Mexico | ||||
| Canyon de Chelley, Arizona | David Treder | |||
| Cozumel, Mexico | Mike Treder | |||
| Crater Lake National Park | ||||
| Death Valley National Park | Mike Treder | |||
| Disney World (Florida) | Mike Treder | |||
| Disneyland (California) | Mike Treder | |||
| Everglades National Park | ||||
| Galapagos Islands | John Treder | |||
| Gettysburg, PA | ||||
| Glacier National Park | David Treder | |||
| Grand Canyon National Park | David Treder | |||
| Grand Tetons National Park | David Treder | Mike Treder | ||
| Great Smoky Mountains National Park | Mike Treder | |||
| Greece | John Treder | |||
| Hawaii (Big Island) | John Treder | |||
| Kings Canyon National Park | David Treder | |||
| Malaysia | ||||
| Maui, Hawaii | Mike Treder | |||
| Mazatlan, Mexico | David Treder | |||
| New Zealand | John Treder | |||
| Niagara Falls | ||||
| Oregon Shakespeare Festival (Ashland) | Jeff Treder | |||
| Puerto Vallarta, Mexico | Aria Treder | |||
| Rocky Mountain National Park | ||||
| Rome | ||||
| Singapore | ||||
| South Africa | ||||
| Switzerland | ||||
| US Virgin Islands | Mike Treder | |||
| Valley Forge, PA | ||||
| Vatican City | ||||
| Victoria, British Columbia | David Treder | Mike Treder | ||
| Yellowstone National Park | David Treder | Mike Treder | ||
| Yosemite National Park | David Treder | John Treder | ||
| UPDATED 1/1/2002 | ||||