The history of radiation is on safe display at the foot of a radiation science laboratory.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

What might be the largest completely Jewish town in the world outside of Israel now faces dwindling numbers and empty streets.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

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

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

With over 10,000 lights, this engineering marvel lights up the city after dark.

Fortified homes of highland warriors that are still in use today.

Underground monastery and fortress.

A massive collection of petroglyphs dating back some 40,000 years.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

The largest Neolithic ruins in the world hide a notably clean prehistoric metropolis.

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

This famous city eluded concrete detection until the early 2000's.

The Buddhist temples of Yamadera, built into a mountain side, feature a viewing deck with sweeping views.

These tiny pine-covered islands have inspired art and poetry for centuries.

This small Japanese street is lined with figures, sculptures and a shrine dedicated to frogs.

This village is home to the largest existing settlement of the Ainu, the Indigenous people of Japan.