Palace, temple, and pyramid ruins mark the ancient Mesoamerican capital of Totonacapan.

A massive yet whimsical statue pays homage to the art and joy of "flight."

The singular ruins of a mysterious lost city.

The colorful array of art leads to a small Aztec pyramid.

An enormous public square and parade ground built to celebrate Ghana's independence.

Sample cacao fruit and learn all about bean production.

The oldest of its kind in the country, this tree sits where formerly enslaved people are said to have founded the city of Freetown.

A rehabilitation center for confiscated, orphaned, and abandoned chimpanzees.

A community heritage center on an overlooked island in the Sierra Leone River estuary.

A deer-headed statue that brings together a 12th-century legend and big wave surfing.

What appears to be an ancient Roman temple is actually a Catholic church.

An ancient oak forest where, legend has it, a wedding party was magically transformed into trees.

The Guardian of Tallinn.

A medieval setting reimagined into a unique art alley.

A former imperial sea-fortress and Soviet prison.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The site where the Spanish first landed in Mexico was once a thriving Mesoamerican city.

These azure waters were thought to lead to the Mayan Underworld.

A cenote filled with Colonial era artifacts whose waters cannot be accessed.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

Ecuador's first Catholic church was built by Spanish conquistadors in 1534.

A self-taught astronomer fell in love with the stars and built his own observatory in Colombia.

Colombia's biggest botanical garden contains plants from all across the country.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.