Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The secret medieval communication system will whisk your words above the noise of the crowd.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

An ancient knight and a symbol of the city's freedom.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A public urinal so pretty, it was declared a national monument.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This demon atop the Notre-Dame de Paris looks utterly bored.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

An ancient capital city that dates back 3,000 years and harbors many surprises.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

These caves secretly held national treasures during World War II.

The ruined doorway is a portal to the building's turbulent and torturous past.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Where commuters walk through remnants of an ancient Greek necropolis.

Legend says this sacred tree was a gift from goddess Athena.

An ancient octagonal weather station named for the eight Greek gods of wind.