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

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

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

These fantastically named natural pools look like something out of a Scottish myth.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The colorful soil of Iran’s "Rainbow Island" attracts artists and nature lovers.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Rising from the sea like a stone monster.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

The hottest place on the planet.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

An abandoned NSA listening post on Berlin's "Devil's Mountain."