Walk behind a 50-meter-high waterfall.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

A stunning silver lining to global warming's gloomy cloud.

Home to three historic ships from the age of Vikings.

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

An intricately carved Viking church overlooks a glistening fjord.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Walk 2,300 feet above the ground on the "Troll's Tongue."

An ancient Egyptian temple in the middle of Madrid, Spain.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

A temple to modernity, tucked away amid Barcelona's more well known museums.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Mountain where Jesus was first tempted by the Devil.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Where America's first doomsday cult awaited the end of the world.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The only castle in North America to ever house European sovereigns.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Diego Rivera's massive tiled fountain and failed infrastructure project.