Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The walls of the iconic dome are hollow and have a secret stairway.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A Biblically notable site over the ruins of an ancient city that is now a protected World Heritage site.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

A magical oasis in the middle of the Negev Desert.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

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

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

Whitewashed mosque contains the world's largest carpet.

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

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

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