An elderly widow still operates the incredibly detailed model railroad she and her husband built by hand.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

A museum dedicated exclusively to aircraft used in the military.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

WWII artifacts, including the building itself.

The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

A 550-square-meter micro-nation off the coast of Britain.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The world's last remaining store of its kind.

This isolated island is often capped by its own fluffy cloud.

Back in the tiny USSR.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Six beautiful wooden giants are hidden around Copenhagen.

World Trade Center memorial likened to a woman's sexual organ.

This North Carolina store preserves a historic moment in America's movement for racial equality.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A fiery crater has been burning in the Karakum Desert since 1971.

An eerie, derelict amusement park in Berlin.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

The world's most remote permanent settlement on an active volcano.

148 feet long and in the middle of a verdant forest.