Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

Malta’s oldest sea water distillation building is now an architectural anomaly on the Sliema waterfront.

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

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Huge winged monument in the United Kingdom.

An iconic waterwheel in the Pennine Hills marks the location of one of Britain’s most profitable lead mines.

This magnificent arch is all that remains of a former smelt mill.

Only the headframes remain from this mining operation, once one of the largest in the region.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A grand imperial capital left to fall into magnificent ruin.

The oldest teak bridge in the world is made from the remains of a royal palace.

A fountain standing as a testament to a doomed alliance.

One of the newest mosques in a city filled with thousands.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Turkish adventurer antiques in the heart of the Grand Bazaar.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.