In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Designed as a reminder of one of the darkest moments in Austrian history.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Housed in a former air raid shelter, this museum is dedicated to the history of computing and video games.

The beautiful baroque library of the Hapsburg empire.

An exquisite Baroque church in Vienna's old town.

The solemn exterior conceals an opulent interior of this 17th century church.

A silly medieval mural preserved on the side of a Viennese house.

Baroque celebration of the end of the Great Plague of Vienna.

Legends surround an ancient tree trunk riddled with nails for good luck.

These two 15th-century metal rods allowed people to check if they were swindled or not.

One of Vienna’s oldest (and perhaps most haunted) alleys, allegedly with a bloody past that gave it its name.

The Habsburgs' royal collections of art and wonders.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

Not actually a shop, but one fan's passionate show of support for a rival county's Gaelic football team.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

This often-missed monastery, set in a scenic mountain landscape, features unique frescoes, fortifications and legends.

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.

Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

The decaying remains of a once-luxurious Soviet spa town.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.