After 4,891 miles, I'm home from Road Trip 2007.

SAUSALITO, Calif.--At last, I'm home. After 25 days, 4,891 miles and a huge number of motels, Road Trip 2007 is over.

I can barely type at this point, but it ...

While driving through Milford, Utah, I came across this contraption. It looked so cool and so steampunk, but I have no idea what it is. Do you?

MILFORD, Utah--I need your help.

I was driving through this tiny western Utah town on Road Trip 2007, ...

Where I hit the 4,000-mile mark in the middle of Zion National Park, the scenery, like this sandstone and shale cliff face, was stunning.

ZION NATIONAL PARK, Utah--I've been on Road Trip 2007 long enough now that I've reached 4,000 ...

Spider Rock, at Canyon de Chelly in northeastern Arizona, is one of the most popular attractions at this national monument. The rock is 800 feet high and made of sandstone.

CHINLE, Ariz.--Of all the places I've visited on Road Trip 2007, I ...

I pulled over in the Infiniti QX56 I'm driving to call my dad and let him know which road I was taking in case something went wrong.

TEEC NOS POS, Ariz.--I had just left the Four Corners monument and was on my ...

At any given time, dozens of people visit the Four Corners monument, which, in addition to the marker on the spot itself, is decorated with the flags of all four states, as well as a U.S. flag.

FOUR CORNERS--For years, I've ...

The 'shiprock,' a giant rock formation that's also a sacred Navajo site, is located outside, appropriately enough, Shiprock, N.M.

SHIPROCK, N.M.--When I was looking at the map, trying to figure out how to get from Taos, N.M., to the ...

The Altec Lansing iM600 is an attractive, high-quality, affordable iPod speaker system.

FARMINGTON, N.M.--One of the many gadgets I've been carting around with me on Road Trip 2007 is Altec Lansing's iM600 iPod speaker system.

I personally own a much ...

Road Trip 2007 author Daniel Terdiman hit 3,000 miles in the Infiniti QX56 he's driving just after starting a slow, winding road back home.

CHAMA, N.M.--We all like milestones and round numbers. That's why, during all the driving I'...

Black Rock hot springs, near Arroyo Hondo, N.M., are a lovely set of two pools nestled right up against the Rio Grande.

ARROYO HONDO, N.M.--There are few things in life I enjoy more than soaking in a natural hot spring.

That'...