This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Pilgrimage site for star-crossed lovers.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Five candy-colored villages on the Italian Riviera.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The celebrated eyesore created by starry-eyed sweethearts.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

One of the holiest places in the region, devotees come to Tirta Empul to bathe in the holy spring water.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Sacred waters rescued from the wrath of a volcano.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

A marvel of Byzantine engineering under the streets of Istanbul.

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

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

The location of the world's first telescope demonstration.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

This towering church is home to a world-famous organ and a treasure trove of medieval art.