This little Greek plateau is home to thousands of rustic, white-sailed windmills.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

An alien landscape on the banks of the Aegean Sea.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Monasteries on rock pillars, once accessible only by frayed ropes.

A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

Sleep in a glass pod dangling off a cliff.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.