Billionaire's mark on the earth.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

The world’s largest LED display, built over an F1 race circuit.

Planned as the world’s first zero-carbon city, it had lofty ideals—but is only 5 percent completed and aiming for 50 percent carbon-neutral.

Whitewashed mosque contains the world's largest carpet.

These otherworldly formations were shaped over millions of years by the forces of nature.

Massive volcano in the Andes is the farthest point from earth's center.

A turquoise lake within a volcanic crater.

Home of the "true" equator.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

This tiny, charming synagogue in the Cayman Islands was built by a man as a present for his Jewish wife.

A nuclear power plant abandoned along with an international allegience.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

The decaying remains of a ship whose captain mysteriously disappeared.

A glowing underwater cliff attracts marine life and divers in equal measure.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

An underwater restaurant, surrounded by a coral reef.

Grand Cayman is home to a colorful sculpture garden filled with giant concrete animals.

Send a postcard while vacationing with Satan.

This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

The former home of surrealist Edward James, who gave Xilitla its main attraction.