Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Decorated by local artists, the city's utility boxes have become three-dimensional canvases.

Few other hotels can rival the grandeur of the Castle in the Rockies.

The fairy tale castle of the "fairy-tale king."

Carved fountains poignantly placed in parks and in front of special monuments.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This hidden garden boasts amazing views of Lyon.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Millions of numbers carved in glass represent the tattoos forced upon victims.

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

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

A massive sea stack famous for its appearance in The Goonies.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.