The curiosities and wonders of pharmacy in a delightful historic building.

The world-record holder for the longest bridge stretching continuously over water.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Home to drunken tower-climbing goats... seriously.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The only rotating bar in New Orleans has been slowly spinning since 1949.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

The final resting place of a space program monolith.

California's largest steel arch bridge.

A stunning architectural yet functional feat, towering over Oslo.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

Drink a Guinness under the wings of Reagan's retired Air Force One in his presidential library.

From Japan to Italy, this California park explores the world's cultures through their gardens.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

This 11th century tower is said to be the oldest building in Oxford.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.