This mysterious abandoned fort looks like something pulled right from Arabian legend.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

This indoor ski resort has a mountain contained inside a mall.

Whitewashed mosque contains the world's largest carpet.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

Two plaques commemorate the site of Shakespeare's first theatre.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Famously misunderstood wonder of the ancient world

The celebrated eyesore created by starry-eyed sweethearts.

Indents in the pavement are all that remain from a grisly death machine in Paris.

The fairy tale castle of the "fairy-tale king."

Five candy-colored villages on the Italian Riviera.