The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

India's first open-air public art district sits in the heart of the country's capital.

An ancient iron pillar in Delhi that seems to be rustproof.

Nestled among the artifacts of the National Crafts Museum, this hidden gem offers hard-to-find regional foods from all over India.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

Legend has it a commoner volunteered to be buried alive in the foundation so that the great fortress could be built.

The clock tower is a prominent landmark in the bustling commercial hub in the heart of Jodhpur, showcasing intricate architecture and cultural significance.

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

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

Fifteen Jodhpur queens left their handprints before going to their fiery death.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Where the sleeping monsters of Scotland's oil industry are left to rust.

The most northern place on the mainland of Great Britain.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

A tiny, hidden alleyway dedicated to the father of meteorology.

Over 70 independent businesses have set up shop in this former Victorian department store.

This haunted 17th-century pub was moved to a new city when it was already almost 300 years old.

The name of this suspended sculpture is Latin for "high horse," which is exactly what it is.

This sculpture of Edward of Woodstock is surrounded by eight Victorian lamp bearers.

One of three sites in England that house the National Collection of Arms and Armour.

The bizarre headgear looks like it was made for a fool, not a king.

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

The remains of centuries of copper mining appear like an alien landscape.