A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

An eight-sided home built during a brief octagon craze in the 1850s.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

This bridge was constructed from the rubble of the infamous Bastille.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

Mine your own precious stones.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This small collection of rare books was uniquely locked up for safe keeping.

An artistic tribute to the famous singer, just around the corner from where he was born.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

The remains of Crystal Palace Great Exhibition of 1851.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.