A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Peace Park and the Atomic Bomb Dome.

An eerie reminder to the horrors of World War II.

The 400-year-old remains of the samurai invasion of Korea.

A public work of art that also provides some relief from the summer heat.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

This is one of the last remaining theatres in Canada to feature an Art Moderne architectural style.

An outdoor installation of 20 vintage signs that once hung in front of businesses throughout town.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

On the waterfront of Sydney, Nova Scotia, a 60-ft. fiddle greets incoming ships.

This now abandoned arch bridge was constructed during the Great Depression.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Twice a year, this Orkney town hosts a rowdy game of medieval mob football.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

The recurring nature of this geographic feature might make it unique in the world.

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

Recreations of a Norse longhouse and boat on Shetland's northernmost inhabited island.

Each year a new straw behemoth is born.