A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

Underground monastery and fortress.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This is the oldest Roman-made bridge in the city still existing in its original state.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

Rome’s legendary peephole vista is also a former Crusader stronghold.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The water here is so clear you can see the mysteriously sunken ship from the surface.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

A museum dedicated to traditional Armenian clothing and their designer.

Resting place and mausoleum of the founder and first president of Turkey.

This 3,000-year-old “opium black fortress” towers over the ancient town named after it.

More than 20,000 salt and pepper shakers from across the globe call this museum home.

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.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

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

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

These relics of the city's past now exist as a prominent modern feature.