Places meltingknight Wants to Go

The world's tallest circular building is loaded with symbolism, but many just see a big donut.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.

This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

The steel hull of a wrecked tug rests on Lobster Cove on Monhegan Island’s rocky southeastern shore.

The first transatlantic wireless signal was received at this 17th-century fort.

This historic lighthouse has been reincarnated as the perfect picnic place.

This copper-coated, multi-arched dome is surrounded by a moat and lights up at night.

From a distance, this statue of an eagle looks like a giant chicken on a stick.

The first thermometer made with the almost-universal temperature scale is backwards.

This rickety old shed hides a trove of secondhand literary treasures.

A small 12th-century temple surrounded by waters believed to have curative properties.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

These engineering masterpieces are a dominant feature of the Belfast skyline.

An allegedly haunted mansion with a tragic, tawdry past.

An idle pastime becomes a record holder in Boys Town, Nebraska.

These giant sculptures are supported by a bizarre menagerie of feet.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

This curious sculpture represents the perseverance needed to take to the skies.

There's a lot of horsing around on this lonely stretch of Australian highway.

The haunting remains of a beautiful old plant nursery founded in the 1850s.

You can climb to the top of the world's largest rocking horse.