The Guardian of Tallinn.

A forest park outside Tallinn full of architectural and artistic curiosities.

This mountain trail inspired Nietzsche to complete his magnum opus.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

A museum of magic with a Sadist past.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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

A place to see how French aristocrats lived in the early 1900s.

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

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

An abandoned town is hidden in Great Smoky Mountains National Park.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This museum pays tribute to the Cherokee leader who created a written language for his people.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.