One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

It took 82 years and four different plaques to finally get the story right.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

Now containing the bones of the actual conquistador, instead of someone else.

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

The Uros people live on floating reed islands in lake Titicaca.

An unexpected desert oasis in South America.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

An unexpectedly extraterrestrial room in a former Victorian resort club.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Follow the original medieval paths that wind through this intriguing section of the city.