Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

The highest bridge in Myanmar was once the tallest railway bridge in the world.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A stunning medieval castle owned and restored by the famed actor Jeremy Irons.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Considered one of the most haunted places in Europe, this 800-year-old castle was home to noble prisoners.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Baked in 1898 and still almost flawless, this floral masterpiece is considered the world's oldest complete wedding cake.

This unassuming stone is possibly the oldest Scottish memorial to the 13th-century knight.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

The childhood home of the legendary blues guitarist and singer.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A shrine honoring a legendary ghost bride lies within this vibrant temple.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

This small shop walked so America could run on Dunkin'.

Generations have refused to move this doll from its dusty resting place to preserve a castle from a watery fate.

This spooky statue sits outside a famous Prague theater.