A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

The most visited, and possibly most controversial, museum in Germany.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

A sacred lake with thousands of sacred carp and a biblical history.

The ancient abodes are a testament to human ingenuity amid harsh climates.

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

Mausoleum and Holy Seat of Antiochus I of Commagene.

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

A marvel of Byzantine engineering under the streets of Istanbul.

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

Step inside an ancient beehive tomb built for a mysterious cult hero.

This famous archeological mystery may be an ancient example of movable type.

Large collection from the 3rd millennium BCE.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.