This coastal cavern is associated with the Hawaiian god of creation.

A controversial memorial at the place where Captain Cook met his violent end.

Get up close and personal with these majestic fish.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

Submerged lava formations create incredible waterworks.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

An amazing collection of curiosities hidden in a small Welsh village.

You can spend the night in Dr. Frank-N-Furter's castle.

The oldest working Brewery in Britain.

Ancient human remains unearthed around the iconic monument.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

Human-made caves excavated to hide a secret society of wealthy pagans.

This suburban British town holds secrets that would have made the druids proud.

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

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.