A monument dedicated to the unrecognized Black "mother" of modern medicine.

A tribute to a Ukrainian heroine who went undercover and killed several Nazi operatives.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This historic church is named for abolitionist Henry Ward Beecher and the ruse to arm his fellow abolitionists.

The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Horsemen once used this tilting post during jousting practice.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

This nondescript building hides an entrance to an underground nuclear tunnel system.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

Nearly 2 billion seeds from 38,000 species are stored and processed at this visitable facility in a quiet corner of England.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

The world's tallest box hedge is found in a delightful garden.

This small city park is best known for the nightly convergence of thousands of shrieking parakeets.

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

A celebration of Colombia’s premier contemporary artist.

The entire town looks like a slice of Spain that was carted across the ocean and plunked in the Andes.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An ancient city hidden in the heart of the Sierra Nevada mountains.