A stunning two-story timepiece within a medieval Brick Gothic church.

A cramped wooden attic that once housed one of the world's first movie studios.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

The skeletal white beams stand as a monument to religious dissent.

All that remains of the fishing-vessel-turned-warship is its weathered hull.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

Hidden dwellings in the cliffsides of North Togo used by local Moba tribes to evade 18th-century slave traders.

One man's eclectic collection of treasures found at sea.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The show's fictional Korean medical camp was created in the Santa Monica hills.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The first park built over a freeway is a brutalist masterwork.