Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Famously misunderstood wonder of the ancient world

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

The final resting place of Christopher Columbus - or possibly someone else.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

Brace yourself for the slowest, scariest, most spectacular drive, down the Drakensberg Escarpment.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

Caves that can't seem to quit producing the remains of prehistoric humans.

Home to some of the oldest hominid fossils ever found.

An odd little fishing town that is inundated by tourists looking to be locked up in a cage and surrounded by great white sharks, because why not?

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The bones of two medieval royal lions were discovered at the historic fortress.