Scattered throughout London are ancient remnants of the city's former bounding wall.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Hear the quietest sound from across the dome.

Catacombs turned marketplace.

Rebuilt remains of a temple to Roman god Mithras.

An unusual round church in London with a Templar past.

Eighty million natural history specimens call this gargantuan museum home.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

Liquor and flowers mark a holy site for Indian motorcycle riders.

A complex of six forts embedded in the Rajasthan hills.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

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

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

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

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

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

Ornate, dome-topped cenotaphs fill this royal crematorium.

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.

The world's second-largest sundial, made entirely out of stone.