An exotic wildlife habitat right off The Strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

An enormous illuminated figure dances on the Las Vegas strip.

The best Tiki bar in Las Vegas.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

These markers are used to document elevation changes around the famed dam.

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

Right angles in the forests of Panama.

A huge, bustling local market in Panama City.

A pocket of jungle amidst urban expansion in Panama.

This softball diamond has a culture all its own.

A massive underwater sinkhole made famous by Jacques Cousteau.

This massive Maya archaeological site is home to the tallest man-made structure in Belize.

These enigmatic ruins continue to vex archaeologists.

A natural swimming hole that was once a ceremonial center for Mayan priests.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

The stones of this formerly witch-obsessed castle were used to build a church.