A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

A wonderfully eccentric Victorian-era museum and library.

One of England's most famous churches hides a pair of little known architectural treasures.

This skewed English house has looked like it's going to fall over for centuries.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Crumbling necropolis set high above Fez.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

The village's cobblestone streets are lined with shops displaying exquisite copper craftsmanship.

Swirling layers of white and red rock earned these mountains their festive nickname.

Resonant stone, that has been played since prehistoric times.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.