The inky volcanic sand leads to reefs teeming with aquatic life waiting to be discovered by snorkelers and divers.

Sacred waters rescued from the wrath of a volcano.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

Locals spent years successfully fighting to save this beloved Brutalist behemoth from demolition.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This medieval church tower has maintained its clockworks since the 16th century.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

This network of narrow, medieval passages has the most delightful name.

Follow the original medieval paths that wind through this intriguing section of the city.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

This hilarious English intersection is an automotive whirlpool.

The unique design was created by the traditional way communal rice paddies were divided among the indigenous people.

Mount Tambora is the site of the largest and deadliest volcanic eruption in recorded human history.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.