Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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

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

A dazzling temple featuring a towering 12-meter golden Buddha.

A small museum in the Golden Triangle tells the story of the opium drug trade that gripped Northern Thailand.

Buddha shrines hide within dark tunnels at this unique forest temple.

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

A white Buddhist temple with a golden restroom.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

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

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

This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The most loyal of little dogs, or a Victorian era publicity stunt?

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

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

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.