A massive underwater sinkhole made famous by Jacques Cousteau.

The most northern place on the mainland of Great Britain.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

A sweet symbol marks the place where torturous executions were once carried out.

This working class sculpture pounds his hammer all the livelong day.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

A nondescript Seattle restaurant inherited a piece of European history.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

Boise State's stadium was the first non-green football field in the world.

The largest outdoor art gallery in the Northwest United States.

Jail from the 19th century that was built by inmates.

A celebration of Colombia’s premier contemporary artist.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

At just 51 feet and 10 inches long, it's the shortest street in England.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.