This single-track road rewards brave drivers with stunning Scottish scenery.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The Arctic Circle runs through this isolated spot north of Iceland.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

A tongue-in-cheek arcade where the games are based on everyday life.

On the Oregon coast there is a natural hole that seems to be draining the sea.

It is against the law to obstruct the view from the top of this English burial mound.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

A decommissioned submarine base makes a great space for graffiti art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The gutted remains of this Estonian mansion are a monument to a tragic love.

"There's nothing there," and other lies the KGB told us.

This abandoned fighter jet launch center is now a haunting street racing course.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

An incarceration museum on the spot of possibly the oldest prison in England.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

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