The first museum in the world devoted to sexual gadgetry.

Looming communist pillar with a Czech twist.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Commonly acknowledged as the only public monument to the Devil himself.

An ancient Egyptian temple in the middle of Madrid, Spain.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

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

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

A limestone wonderland of water and subterranean secrets.

A colorful kitschy temple and floating market off the beaten path.

This elephant kraal is the only one remaining in Thailand, dating back to the 16th century when these massive mammals were integral players in war and trade.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.