A striking symbol of the Bulgarian capital.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

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

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

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

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Sofia's legislative center is continuously reinventing itself.

Be on the lookout for the symbolic insect all over the city.

An abandoned canal route lies hidden under the streets of Manchester.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The castle still holds traces of the abandoned Roman fort it was built atop.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

At the United Kingdom's only residential library you can sleep among the books.

This former stomping grounds of the most eminent astronomers of the early 20th century.

A Masterpiece with a Tragic History.

Sports history, made in the Arroyo Seco.

A natural swimming hole that was once a ceremonial center for Mayan priests.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.