Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

There are millions of temples in India, but only one prominent temple dedicated to the Hindu creator god.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Explore the 500-year history of silk-making in Lyon at this museum, workshop, and boutique.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Hundreds of hidden passageways weave through the old quarters of Lyon.

This public elevator links the lower city to the upper city of Salvador.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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