Where commuters walk through remnants of an ancient Greek necropolis.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

Take a cruise with no movement but plenty of style in this one-of-a-kind boat mall.

The first Confucian temple in Taiwan, founded by the son of a pirate lord, doubled as the island's first state-sponsored school.

On the roof of the oldest department store in Tainan stands a Shinto shrine dating back to the 1930s.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

This unusual sculpture is sometimes partially, sometimes fully, submerged.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

The lion represents a fascinating part of English history, and the story of a man who obsessed over its creation.

The world's northernmost botanic garden has 25 collections of plants from arctic and alpine regions.

The world's northernmost aquarium looks like it has fallen over.

The world's most charming instant portrait studio also happens to be its smallest.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The castle still holds traces of the abandoned Roman fort it was built atop.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The last bastion of Roman presence north of the Alps looms over a German town.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.