An unexpected alley with light shows and nature views.

The fifth-longest natural arch in the world, and the longest outside China.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Take a self-guided tour through one of Colorado's most elevated mining districts.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This super steep hike ascends 2,000 feet in less than a mile.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

The walls and streets of the ancient city are peppered with penises.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Breathtaking and huge 430 year old maps of Italy.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

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

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

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

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

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

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

Gargoyle head that brings good luck.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

This tremendous timepiece was once the largest cuckoo clock in the world.

A monument to the man who almost killed Hitler.

One of downtown Berlin's last reminders of its Communist past.