Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

The site is dedicated to an investigative journalist whose murder triggered a political uproar that changed Slovakia forever.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

A prison-like structure guards the remains of a notorious Old West outlaw.

Local artists have long claimed these highway pylons as a place to celebrate Mexican-American history through artwork.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The house's confection-like decorations are the result of one man's painstaking work over decades.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

It's safe—and permitted—to walk across these twin natural sandstone arches.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A cave's rare beauty held a cavernous secret hidden underground.

When you can afford only half a road, you build only half a road.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

A 6,888-carat piece of turquoise that bears a striking resemblance to the first President of the United States.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.