A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

This former steel and coal plant is now a neon-lit industrial fantasia.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

No need to strap in for a "ride" on this walkable roller coaster.

Thousands of flowers create enchanting pink tunnels over the city streets.

This mine is home to the largest man-made hole in Europe.

The first green space constructed on an elevated viaduct.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The video game-themed street art first popped up in the French city.

Elvis's own personal tropical hideaway.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A recreation of an Old West apothecary full of curios.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

This arts and culture cultural center explores the diverse cultural heritage of the American West.

This historic electric train has operated with regularity since the early 1900s.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

Abandoned waterpark turned counter-culture mecca.

These small, triangular, colorful houses are a staple of Madeira Island.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.