Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

This slowly crumbling mansion was home to one of East Africa's richest and most powerful slave traders.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

The medieval woodcut-style artwork chronicles life in medieval London.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

This hospital helped pave the way for treatment that drove down child-mortality rates in 19th and 20th centuries.

An architectural oddity hides in plain sight on this iconic London bridge.

A celebrated bandstand at the center of what was once the worst slum in London.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

This medieval church tower has maintained its clockworks since the 16th century.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

Historic church where a number of Shakespeare's actors are buried.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

This museum inside a museum tells the story of London's timepieces.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

The taxidermied remains of a once-great parrot.