The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

This elaborate temple was built around one of the Buddha's teeth.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

An ancient stone fortress considered by many to be the eighth wonder of the world.

This spectacular mosque houses the second-largest chandelier in the world.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

England's most notorious suicide spot.

An ancient water supply dating back almost 500 years can still be found standing in East Sussex.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

Two gilded cherubs perched on a church bell tower have been reminding visitors of the finitude of life since 1760.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

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

Time has stopped at the house where Gandhi died.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

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

Modest by day, illuminated majestically at sunset.

A blooming house of worship for the masses.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

There's an exclusive Beefeaters pub hidden in the Tower of London.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.