The beautiful baroque library of the Hapsburg empire.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

Experience what life was like in Ireland during the Viking and medieval ages.

A moody and picturesque riverside ruin overgrown with vegetation.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

A museum marks and documents the site of the Titanic's launch.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

The remnants of an archaeological camp stand within Tikal National Park.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Ancient serpentine sacrifice holder that has stood the test of time.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.