Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

The prototype for all Nazi concentration camps.

Instead of using billboards, some people here relay their messages on the side of a mountain.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ancient pueblos built into the base of a natural canyon wall.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Stairs often replace streets on the steep slopes of this old mining town.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Miniature art that tells an enormous story.

A reproduction of earth's many biomes.

The West's first incursion into the Afghan world lies buried beneath a military base.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

The world's largest military aircraft cemetery.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

The site of one of history's most indelible and horrific tragedies.