A quirky mausoleum celebrated once every five years with young dancing girls, widows, a tax man, and more.

On this headland lies a 19th-century lighthouse and historic gun battery.

The attic of a four-century-old canal house hides a clandestine church.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A beautifully eclectic mix of architectural styles.

Sail in for a ’dam good slice.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

A public urinal so pretty, it was declared a national monument.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This 400-year-old house tells a tale of witchcraft and woodwork.

It's believed Matilda Fitzwalter's life was the basis for the famed literary figure.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This bookstore serves recipes from the cookbooks on sale.

One of the oldest libraries in England, and one of the last of the great medieval chained collections.

A lone pole once used to display a man's corpse now stands empty, but the memory remains.

Aliens and monsters lurk inside this museum dedicated to one man's lifelong adoration of all things sci-fi.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

The English bed-and-breakfast believed to have inspired Emily Brontë's novel "Wuthering Heights."

A folly built to satisfy a gentleman's bet that he could drive his horses through the eye of a needle.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.