One man's eclectic collection of treasures found at sea.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

Though it's unclear why it's there, the lifelike sculpture of the giant lizard is oddly charming.

A mysterious crater-like pond has a spooky tendency to empty and fill with complete disregard to rainfall patterns.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

The patches of trees pay tribute to Queen Elizabeth II.

The tragic tale of the dentist who pioneered the use of anesthesia.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

A living museum dedicated to the legendary woodworker and his soulful furniture.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The school produces some of Africa's most talented acrobats and contortionists.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

This tiny business claims to be "the smallest pub on the planet."

The house's confection-like decorations are the result of one man's painstaking work over decades.

Some of the earliest leaders of the Moravian congregation are buried here.

These lesser-known Maltese catacombs date back over 1,700 years.

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

A bronze tribute to the wildly popular video game from the '90s.

A spitting ode to a German serial killer.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

This hidden green space is the city's second largest conservatory.