Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Considered by many to be one of the most dangerous highways in Alaska.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The king of U.S. high points towers over every other peak on the continent.

The highest point in Washington state is a volcano covered in glaciers.

A wall of chewing gum moonlights as collective art.

Stroll through a wonderland of stupendous moss-covered trees.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The rocks in this arid basin leave trails of movement behind them.

The location where the iconic movie character declared it was time to go home.

Visitors to this library are in for a real-world education in modernist architecture.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

The largest island on the great salt lake is home to curious creatures and strange stories.

A tunnel with windows, so you don't miss out on the impressive views.

The fifth-longest natural arch in the world, and the longest outside China.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.