A mecca for India's Jains.

The world's largest bioluminescent area was undiscovered by science until 2005.

The largest dam in the world and the site of a potential disaster.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

Fine dining 20 feet below the surface in the Indian Ocean.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

This former community granary is now a lonely mountaintop shrine.

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.

Rocky Atlantic beach home to a stunning stone arch.

Founded as a refugee camp, now a popular tourist spot.

One of the most spectacular canyons in the world.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

A geological bull's-eye visible from outer space.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

Thousand-year-old trees tower within one of the world's only inland temperate rainforests.

Over 400,000 birds spend their summers nesting on this small Arctic island.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

These fantastically named natural pools look like something out of a Scottish myth.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A former coastal watch post has been turned into a bothy with unrivaled views of the sea and its inhabitants.