One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Children's author May Gibbs's beloved stories about the tiny, human-like "Gumnut Babies" are immortalized in bronze.

This infamous prison has a store where you can buy goods crafted by incarcerated people.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

More than 100 colorful residents stand post in this seaside Australian city.

This abstract sculpture was initially so disliked that it got moved to the outskirts of town a few months after installation.

The bright red cars take travelers through breathtaking Tuscan scenery.

The former home of Victoria's first Lieutenant-Governor.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

This 19th century hydroelectric powerhouse was the first of its kind.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

A fortified palace in the shape of a ship on the Thiou river.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

One of two Irish-style round towers in Scotland, this structure has mysterious origins.

England's largest white horse isn't even white.

This ancient stone bridge dates back to the early Middle Ages.

Instead of numerals, the unusual clock face spells out a memorial to a lost loved one.

This bridge later moonlighted as a local jail.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

This quirky collection is an interactive exhibit crammed with creative contraptions and tinkered-with toys.