A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

A sculpture of a famous ape who was once a beloved household name in London.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

The world's shortest funicular ferries beachgoers a whopping 128 feet from clifftop to shore.

A mysterious shape catches the eye in this 16th-century painting.

Nestled among the living residents is the final resting place of an apothecary plague victim.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

A large collection of steam engines, organs, and fairground attractions.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

This pub can leave even the sober feeling slightly unsteady.

A weird and wonderful collection of items that pique curiosity and haunt nightmares.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

One of the most easily accessible examples of the rare 1960s UFO houses.

The solitary cairn marks a mysterious death that's still controversial more than two decades later.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

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.

On the eve of a condemned prisoner's death, this bell rang 12 times outside their cell.

This enormous, elaborate tomb looks oddly out of place next to a suburban Edinburgh bowling club.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

A celebrated bandstand at the center of what was once the worst slum in London.

A high-end clothing boutique with a curious basement art installation.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.