This now-abandoned shopping center in Playa del Carmen was built to resemble a medieval European castle.

A small site dedicated to the memory of a local leader and the search for peace.

It might look like a doghouse, but this small structure was actually built to house a spirit from Maya mythology.

Few of the many visitors to this resort town know of its hidden Maya ruins.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

A dozen cast iron leopards stand guard along the length of Aberdeen's Union Bridge.

The world's shortest funicular ferries beachgoers a whopping 128 feet from clifftop to shore.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The medieval woodcut-style artwork chronicles life in medieval London.

The cedar tree in Highgate Cemetery earned its title by accident.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

The final resting place to 300 Victorian-era pets hides inside the city park.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Eighty million natural history specimens call this gargantuan museum home.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A secret climbing tree hides along the side of a Costa Rican road.

The translucent turquoise hue of these natural swimming pools comes from a high concentration of minerals.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Along a coast that sees the annual migration of humpback whales, a geological formation that takes the shape of a whale’s tail.

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.