The celebrated eyesore created by starry-eyed sweethearts.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This beautifully restored fortification kept the city safe for centuries.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.

Where artisans use centuries-old techniques to build traditional Arabian ships.

These gnarly desert trees produce the prized aromatic resin traded along the ancient incense trail.

Nature's water park in the Wadi Bani Awf valley is full of pools flanked with cliffs and natural water slides.

Some claim these desert ruins are from the legendary "Atlantis of the Sands."

This spectacular mosque houses the second-largest chandelier in the world.

This bazaar is one of the oldest in the Arabian world.

An imposing Omani fortress surrounded by date palm trees.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

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

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