Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A hands-off space for graffiti artists to hone and display their skills.

London's smallest police station is barely the size of a phone booth.

A monolithic monument in Greater London.

London's old-school healing garden.

Natural time capsule containing an alien ecosystem.

Surreal riveted sea forts once protected the Kent shores from German attack.

An explosion of natural color known as "the river that ran away from paradise."

A fiery crater has been burning in the Karakum Desert since 1971.

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

The tallest stationary dunes on Earth also happen to sing.

Sumptous memorial to a controversial independence.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Megalithic monuments resembling magic mushrooms.

An abandoned settlement originally established by British colonialists in the Andaman archipelago.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

The world's largest Tibetan refugee settlement.

Modest by day, illuminated majestically at sunset.

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

Glacial lake that mysteriously empties itself every year.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

A single tree's 2,800 aerial roots give the appearance of a complete forest.

Remote town home to Himachalis, Israelis, and tons of hashish.