Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

The world's smallest drawbridge.

A tropical paradise once home to space exploration and military installations.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

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

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

The modern birthplace of Irish freedom.

A sea cave with a waterfall and Viking past

The most northern place on the mainland of Great Britain.

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

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

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

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

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

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

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

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

The world's shortest street was created by an awkwardly placed hotel.

Cut into a sheer cliff face, these stairs are the only way to reach a secluded Scottish harbor.

A collection of short standing stones covers this hillside.

An abandoned village where the ruined foundations cling to a cliff.