This series of Scottish caves has no clear purpose other than baffling historians.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

This 16th-century house tells the city's history through old artifacts and quirky tales.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

Hackney's newest private museum and natural curiosity shop.

An architectural oddity hides in plain sight on this iconic London bridge.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

The taxidermied remains of a once-great parrot.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.