Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

Mysterious standing stone formations looks like a petrified forest.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

Huge winged monument in the United Kingdom.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

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

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

A shiny sculpture celebrating the mighty mollusk.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

The bell that once tolled atop a lost Edinburgh gate now hangs for all to see.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

A bay of elaborate, historic toilets are held in high esteem at this Scottish dock.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.