An 18th-century Spanish watchtower made entirely of seashell and concrete.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

This historic hotel has hosted the likes of Babe Ruth, Jimmy Carter, and the Vanderbilts.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A luxuriant botanical garden below sea level.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

This 25-foot tall clock tower commemorates the start of one of America's foremost shopping districts and the end of the historic Palm Beach Pier.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

Famously misunderstood wonder of the ancient world

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Hidden in the plaza next to a pizza shop is an amazing little oddities shop.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

This giant Christ took first place in South America's religious arms race.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

10,000 flowered plants bloom in the City of Roses.

Entering this curiosity shop is like stepping into a mad scientist's lab.