World's second largest particle accelerator, where nature reveals its secrets.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

A display of magnificent stained glass windows is the first exhibit of its kind.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This beautiful 16th-century necropolis marks an astonishing feat in heritage conservation.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This recently restored timepiece has stood all around Kansas City.

Step back in time at this 1950s display home, built to showcase once cutting-edge electric amenities.

The abandoned palace stands as a wounded but proud beacon of Afghan hope.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

An ancient iron pillar in Delhi that seems to be rustproof.

A blooming house of worship for the masses.

Famously misunderstood wonder of the ancient world

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

It's good luck to be mocked by this monkey.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Berlin's old airport.