Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

An enormous, 30-story-deep hole in the middle of Guatemala City.

An ancient monastery, a locked room, and a mysterious book heist.

Sculptures of religious figures made from the ashes of pilgrims' incense.

Small Chinese fishing village impeccably maintained for visitors.

Lifelike statue of the Chinese philosopher in the bathtub.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

An out-of-place slice of France, smack in the middle of Shanghai.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

The highest point in Texas is capped by a big silver pyramid.

Moonbows over Kentucky.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

World's largest cave was only discovered in 1991, and now offers tours to the public.

One man's ambition created this psychedelic log home.

Even with its slightly risible name this colossal cross is still able to inspire awe.

Four alabaster giants contemplate the tides on the shore of Denmark.

A subterranean Holocaust refuge within one of the world's longest cave systems.

Take a cruise with no movement but plenty of style in this one-of-a-kind boat mall.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.