New Zealand's epic shrine to all things puzzling.

A perfect turquoise lake colored with glacier dust.

A glacier pocked with ice caves and surrounded by rainforests.

The glacier tucked within a New Zealand rainforest.

This strange geological landscape erupts with sudden bursts of water.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Longest fortress system anywhere in Europe.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A blooming house of worship for the masses.

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

Sacred Indian temple that’s all monkey business.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Rock-cut cave complex filled with ancient Buddhist artwork.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

Half-size replica of the Taj Mahal.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

Building Men of War and Indiamen from Holland's Golden Age.

The remains of what was, not so long ago, the world's largest city.

This experimental utopian "city of the future" in rural India may hold a dark secret.

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

A UFO-shaped event building originally intended to be a science museum showcasing the future.