Bangkok's men with dangerous jobs come here in search of protective talismans.

At a Bangkok bistro, one pot of beef stew has been cooking non-stop for more than 45 years.

A tall karst islet popularized by 007.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Rising from the sea like a stone monster.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

Famously misunderstood wonder of the ancient world

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This series of Scottish caves has no clear purpose other than baffling historians.

360° views of the city plus five floors of optical illusions and hands-on science.

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

A sea cave with a waterfall and Viking past

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.