A celebrity from the late Cretaceous period.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

A nostalgic bibliographic gem.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

Millions of years of erosion created the feature for which this rock formation is aptly named.

This distinctive blue and white jet fighter is a symbol of the area’s relationship with aviation.

Above the heads of passersby stands a small statue commemorating soldiers from the Boer War.

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

Gargoyle head that brings good luck.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

This abandoned airplane hanger is said to have once been a top secret launch facility.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.

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

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

A small but very fascinating fountain in the center of Rome with four books and a deer carved.

A mysterious sculpture is hidden in Vancouver's Stanley Park.