An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

A giant donut stands as a popular symbol of Los Angeles iconography.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A UFO scrapyard in the California desert.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

Explore 10 acres of environmental sculptures.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Visitors to this library are in for a real-world education in modernist architecture.