This unique building in the main square stands out among the city's typically Baroque architecture.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Profile of a sleeping person 4km long in 250m high cliffs.

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

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

This landmark cemetery in Boston was created more than 300 years ago.

The site of Paul Revere's historic two lantern warning.

A centuries-old church stands as a testament to Boston's "father of architecture."

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Walk the whole Mississippi River!

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

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The last bastion of Roman presence north of the Alps looms over a German town.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

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

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

World's largest barrel containing an inn.