Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

An extravagant monument to an extravagantly unpopular Emperor.

An isolated village literally built into the crevices and rock formations of a mountain.

Named after the Goddess of Harvests, Annapurna is the deadliest member of the Eight-thousanders club.

An Australian lake whose pink hue defies scientific explanation.

A micronation of epic proportions.

A submerged village appears when dam levels drop.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Houses are tucked between, on, and underneath giant boulders.

Thousands of locks professing undying devotion line the metal chains of Lotus Peak.

A humid oasis combines recreation with exploration in a unique underwater cavern.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.