The very center of Paris is surrounded by a bevy of strange good luck rituals.

The world's largest collection of witchcraft regalia.

Museum preserving torture methods from the past.

Sniff the Titan Arum's rotting flesh.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

360° views of the city plus five floors of optical illusions and hands-on science.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A hand-built folk art installation covered with messages of God's love.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A heavenly experience, right here on Terra Firma.

Towering basalt columns, a creation of fire and ice.

This geothermal hot spring hides beneath a slowly growing mineral dome.

A strange house built only at night, with rumored mystic inspiration.

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

One person's lost luggage is another person's treasure.

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

The "Seinfeld" diner.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This frequently-photographed waterfall takes only a short hike to visit.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A speakeasy takes on Chicago's drinking culture.

An underwater city for the dead.