A ruined castle stands atop a hill surrounded by dragon lore.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

This severely painted building has a twisted connection to the witch hunts of the 1640s.

360° views of the city plus five floors of optical illusions and hands-on science.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

The remnants of a facade from a 19th-century market stall emporium.

This ordinary-looking rock may have played an important role in a 16th-century Scottish battle.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

One of the oldest suspension bridges in the world blends in perfectly with a medieval castle.

This ancient abbey now lies in majestic ruin behind a caravan park.

These precariously placed ruins harken back to a 13th-century castle.

The longest and tallest aqueduct in Britain can actually be sailed across.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

The largest municipal cemetery in the United Kingdom and the second largest in Europe contains some of Manchester’s biggest characters.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

The sole surviving medieval street cross in Scarborough.

These planks were originally installed to hold the dead.