Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Thousands of well-dressed mummies below a monastery.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

The world's most active stratovolcano is almost always erupting.

Eighty million natural history specimens call this gargantuan museum home.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

Finnish lake, and scene of an infamous murder mystery.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

An alien church provides much needed silence in the midst of a Finland shopping center.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Museum preserving torture methods from the past.

The world-record holder for the longest bridge stretching continuously over water.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A colorful square marks the heart of the city's LGBTQ community.

The headquarters in Salem doubles as an occult art gallery.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.