Granting the right of way to ships over surface traffic since 1917.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Mexico City's residents are being watched by this state surveillance headquarters, designed by architects with a flair for intimidation.

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.

Right angles in the forests of Panama.

This softball diamond has a culture all its own.

A pocket of jungle amidst urban expansion in Panama.

A huge, bustling local market in Panama City.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

A little known Colombian theme park of giant curiosities.

Enchanting cave with a river crashing through the roof.

This dramatic monument in Colombia honors a little-known indigenous fighter for independence.

A magical world of elves and fairies tucked amongst the trees in Colombia.

A dangling church built over a Colombian gorge.

Largest monument in Colombia depicts 14 lancers who drove back an army.

A scalable map of Colombia with the bonus of a butterfly house.

Storied crypts fill the most famous cemetery in Colombia.

Tour the sci-fi-esque reality of governmental disease management.

3/4-scale model of the White House in Atlanta, Georgia.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.