This 19th-century island fort built to protect against an invasion by sea.

This incredible narrow-gauge mountain railway was created by a ceramic artist.

Nature's slip and slide.

A Maori village obliterated by an 1886 volcanic eruption.

Known for the tunnel that leads visitors to the water.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

This bakery sells traditional Māori sourdough.

This quirky collection is an interactive exhibit crammed with creative contraptions and tinkered-with toys.

Largest Kauri tree in New Zealand.

These phallic stone spires once served as Tolkien's Paths of the Dead.

Modern megaliths form this work of cosmic, Celtic landscape art.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

Built during the Scottish boom in the oil industry, the village was never inhabited.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

The biggest onshore wind farm in the United Kingdom.

A mysterious, weather-beaten bus lies on the coast of Harris, enticing the curious to investigate.

A once extravagant mansion, now reduced to ruin.

An artist's whimsical transformation of everyday objects.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Watch the seas clash at the place where according to Maori tradition, the spirits depart for their journey to the afterlife.

This unusual rock formation looks like an apple that has been neatly sliced in half.

This strange geological landscape erupts with sudden bursts of water.

A gigantic sculpture garden is packed with innovative oddities.