Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

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

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

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.

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

This demon atop the Notre-Dame de Paris looks utterly bored.

Banksy gives themself artistic license with this piece of London street art.

This natural rock formation has an anatomical aesthetic.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

This statue of an eagle taking flight welcomes visitors to Langkawi.

The cursed island of black pebbles.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

A white Buddhist temple with a golden restroom.

A phallic shrine to a princess goddess in Krabi, Thailand.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.