A painfully obvious spy house sits right across the street from the Russian Embassy.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

This fairytale house on the shore of a Chilean Lake oozes an eclectic mix of Chilote and German Cultural heritage.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The footprint of a frustrated devil in Munich's Cathedral.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

Mysterious tombstones thought to be remnants of Atlantis.

Windblown rock formations in an ancient Roman quarry.

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

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A beautiful and moving memorial set on a little island in the middle of the river in Minsk.

Glowing orb in Minsk houses 8,600,000 items.

Giant, friendly pelicans in Central London, the most unlikely of places.

The largest of London's subterranean rivers and once a mad, bad center of London life.

The ritual has been performed uninterrupted for nearly 700 years.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.