Cliffs

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

This charming railway is one of the oldest and steepest funiculars in England.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

Over 400,000 birds spend their summers nesting on this small Arctic island.

Nature's water park in the Wadi Bani Awf valley is full of pools flanked with cliffs and natural water slides.

A tiny, remote island packed with wonders both natural and geeky.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

The summer tourists on these cliffs are thousands of seabirds.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.