The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The stately remains of Llywelyn the Great's mighty fortress.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

Three bridges straddle a stream, one stacked upon the other.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Liechtenstein's royal family calls this medieval alpine castle home.

Sample cuisine inspired by the Great Plains indigenous people who have been gathering at this sacred Canadian Heritage Park for 6,000 years.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

The oldest natural history museum in western Canada houses more than 5,000 vintage botanical and zoological specimens.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

A mysterious taxidermy man-beast of the seven seas.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

This extraordinary art museum is like a secret world on the edge of Mexico City.

A tumbling waterfall near a narrow passage that was used to herd cattle for hundreds of years.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

The former stronghold of the Malla Dynasty has remained virtually unchanged since the 17th century.

The world's largest moose statue is located (where else?) in Canada.

This sturdy, circular stronghold served as one of the forts that protected the Venetian Lagoon.