The headquarters of a secretive order is also a beautifully-designed park.

A hardware store Buddha statue installed to deter vandalism wound up attracting Vietnamese immigrants who came to pray.

Supposedly Satanic numbers adorn this preserved submarine sail.

The largest outdoor art gallery in the Northwest United States.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

An entire town preserved as a historic landmark.

New fungal and bacterial species call this deadly lake home.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

A small Montana town commemorates the dog who waited at the train station every day for his owner to return.

This record-setting hydraulic dam in the Montana badlands was one of FDR's most ambitious public works.

This stone, said to have once been a young woman, is sacred to the Dakota and Lakota nations.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

A true roadside icon standing on the same plains that the herds once roamed.

Known as "The Hill of the Little Devils."

A monument to the forgotten French explorers and their landmark expedition.

This former Union fort commands a fine view of downtown Cape Girardeau and the Mississippi River.

This 1854 courthouse along the Mississippi River has a storied history.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

This huge clock made of flowers and simple machinery was once used a political weapon.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

A rather vulgar example of the transition from Latin to the Italian vernacular.

Its interior is adorned with some of the best examples of early Christian mosaics.