The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A "haunted" landmark on the coast of Southern California.

This monster board rode a monster wave to break two world records.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Former villa and estate of James Deering developed to preserve native tropical forests.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

Who knew the Devil's domain was a hot spot for tubing?

Permanent exhibit reminds visitors of the Exxon Valdez.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.

How would you like to dine in the same room where some of the Titanic's victims were embalmed?

The city of Halifax still bears the scars of the largest explosion prior to the atomic bomb.