The ruined abbey includes a rare surviving example of a monastic latrine.

The 25-million-year-old cavities have perplexed people for decades.

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

A mysterious, ancient collection of pre-Hispanic petroglyphs hidden deep in the Mexican desert.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

This Nigerian nature reserve is home to the longest canopy walkway in Africa.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

The museum houses "the most studied meteorite in history," among other geological oddities.

It's where the final scene of the beloved Tom Hanks movie was filmed.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

These skilfully executed, poignant works of art dot a verdant Scottish dell.

The bizarre story of the mysterious death and hidden treasure of one of Sanibel Island's early homesteaders.

Plans for this local observation tower were debated for so long, the allocated funds lost value and the design had to be changed.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

This roadside monument commemorates the huge weapon built by an Ethiopian emperor's hostages.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

Ride aboard a centuries-year-old steam engine and explore dozens of trains parts, including an unusual "comboose."

This elegant neoclassical garden is a peaceful oasis in the middle of the Nepalese capital.

A fantastical bed and breakfast with magically unique rooms.

What was once the longest suspension bridge in Latin America was directly inspired by the iconic Brooklyn Bridge.