Hundreds of hidden passageways weave through the old quarters of Lyon.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

A boulder carved into the shape of the cosmonaut's head.

The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

Mysterious and ancient carved standing stones.

To enter the lower hall of this temple, you must first walk through a dragon.

The most remote tree in the world survived desertification, but not a drunk truck driver.

The stoutest tree in the world.

Over 80,000 carved wood blocks make up one of the world's oldest intact Buddhist canons.

The oldest café in Montevideo preserves its history as the city's bohemian hub.

One of the greatest maze designer’s greatest mazes.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The world's most famous cheese caves.

The largest underground church in Europe.

Indents in the pavement are all that remain from a grisly death machine in Paris.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

This mountain's identity is stuck somewhere between a nightmare and a scenic tourist attraction.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.