Places bartholomej Wants to Go

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

This colossal hiking boot, once built for a scout jamboree, serves as an observation tower and barbecue area.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Spain's stunning solar energy plant.

Spain's largest bullring offers a unique glimpse at architecture and history.

The final resting place of the great navigator, or maybe his brother.

A museum dedicated to the centuries-old cave dwellings that housed marginalized communities on the outskirts of the former capital of Muslim Spain.

The cathedral of a controversial, conservative, schismatic sect that declared the Catholic Church heretical and founded its own succession of popes.

The world's most elegant power lines.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

Visit 17th-century ruins on a strikingly beautiful riverside walking trail.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A Spanish town built into the cliffs.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

This art installation at an abandoned lipstick factory has distinct anti-capitalist vibes.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

This Seattle museum displays the history of the telephone through an impressive collection of telecom equipment.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

There are hidden patterns on the subway seats of some Stockholm metro cars.

Sweden's oldest animated sign is still lighting up the skyline today.

This unique sculpture is often overlooked by pedestrians.

A 130-year-old urinal is the oldest of Stockholm and perhaps all of Sweden.