A layered tribute to the work of mosaicist Isaiah Zagar.

Dramatic river bend surrounds a natural red-rocked pedestal.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Most-visited and most-photographed slot canyon in the American Southwest.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Massive galleon from a box-office bomb docked in Genoa.

Go inside to really appreciate this 500-year-old technological masterpiece.

Fortified medieval tower house with lovely roof garden.

The glowing blue Nymphaeum of Emperor Tiberius.

Ancient snack bar of the Roman Empire re-opened.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Breathtaking and huge 430 year old maps of Italy.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

Peace Park and the Atomic Bomb Dome.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

The 10,000 Torii shrine.

The original "capsule building" is a masterpiece of Metabolist architecture.

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

The ancient tomb acts as a calendar that keeps perfect time.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

Northern Ireland's Brobdingnagian stepping stones.

Largest lake in Great Britain measured by surface area.