Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Museum preserving torture methods from the past.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

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

Countless grotesque faces stare out from this eerie Prague art wall.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

France's most famous cemetery, with some of its most curious tombs.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Oakland's beautiful monumental cemetery.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.