The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

This artificial archipelago was supposed to resemble a map of the world.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This "floating island" plateau sits 7,671 feet above the forest floor.

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

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

Medicinal spa created with the discharge from a geothermal energy plant.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

France's highest manned weather station is the only one still inhabited by meteorologists.

In paradise, feral pigs have claimed an island all to themselves.

One of the deepest blue holes in the world.

They squeal, they nosh, they look like predators.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.