An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

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

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

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

100 year tradition of fist fights, marked by marble footsteps.

The Uros people live on floating reed islands in lake Titicaca.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Now containing the bones of the actual conquistador, instead of someone else.

God's Saharan sandbox of wrath.

A fortified city, home to a remaining population of five families

An incarceration museum on the spot of possibly the oldest prison in England.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Cathedral carved out of salt, located a mile below the Earth's surface.

Museum dedicated to the terror regimes of Hungary.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Surreal riveted sea forts once protected the Kent shores from German attack.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

Fascinating town where normal life interfaces with the occult.