This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

This 19th-century pub features stained-glass windows celebrating Victorian-era "champions."

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

The remains of the great moral philosopher reside in a university in London.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

It was once the base for a series of domestic terror attacks.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A computer bug so primitive it was an actual insect.

When it opened during the final years of the embargo, all the drinks and cigars were free.

Pizza with a side of fine art.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

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

A rare and unique example of an 18th-century door latch calls this restaurant home.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The fountain marks the area where hundreds of accused witches were burned at the stake.

In a small courtyard resides this large mural that draws inspiration from Leeds and its history.

Artists have long been drawn to these atmospheric 12th-century ruins.

This Victorian graveyard in Leeds is a macabre collection of beautiful tombs and memorials.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.