This educational and eco-friendly community is Iceland's "home of the sun."

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This historic electric train has operated with regularity since the early 1900s.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

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

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

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

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

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This curious, round temple is the oldest still-standing marble building in Rome.

These barriers stand as stark reminders of Northern Ireland's troubled past.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This massive monument has been telling the time for 150 years—at a slight angle.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.