Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Large collection from the 3rd millennium BCE.

Underneath one of the region's most historic roads lies the home of Plato's successor.

On the shores of Lake Laffrey, a monument commemorating one of Napoleon Bonaparte's most compelling victories.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

This restaurant's specialty is "a major enigma for food historians."

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This pink watchtower served as the seat of the Greek government after independence from the Turks.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

The most loyal of little dogs, or a Victorian era publicity stunt?

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

The romance of early commercial flight still fills this Art Deco destination.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The only place for a truly presidential dram.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.