Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Nationwide network of co-ownership underground catastrophe shelters.

A collection of anti-communist sculptures stands watch in the Mojave Desert.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

Modern sundial uses ancient methods to tell time and date perfectly.

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

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

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

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

The oldest licensed distillery in Ireland.

An ancient neolithic tomb that only sees the sun twice a year.

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

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.