A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This historic national park is covered in the stunning ruins of red rock pueblos.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

A museum and tribute to a brave profession.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The Habsburgs' royal collections of art and wonders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Museum devoted to the artificial language of Esperanto.

Handsomely crafted representations of our round planet.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The beautiful baroque library of the Hapsburg empire.

Macabre astrological automaton clock dating to the late 1400s.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A battle between nature and architecture in the Cambodian jungle.