Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The hallucinogenic center of the ancient world.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

An ancient octagonal weather station named for the eight Greek gods of wind.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Giant topiary dog once played a role in a terrorist bomb plot.

Five candy-colored villages on the Italian Riviera.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

Singapore's landscaping project is home to 18 incredible Supertrees.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

Known locally as the Jungfrutornet, this Medieval tower hides a dark legend.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

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

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

A open air theatre built on a cliff by an eccentric British woman.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.