A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This medieval manor house was hastily fortified when it found itself in the middle of the Scottish fight for independence.

A well-preserved 2nd century fort where moles are the archaeologists.

This bright pink Gandhi memorial was built so that sunshine hits a specific spot on his birthday.

This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

This space rocket-like Buddhist stupa sits atop two giant arches and can be seen from out at sea.

The world's largest bust sculpture celebrates the Hindu deity, Shiva.

At 8,000 feet, the world's highest tea estate draws visitors for both its products and its panoramic views.

A former palace designed for the consorts of the Travancore royal dynasty.

A towering work of stone and philosophy that was constructed using ancient Hindu science.