Places jeffprahl Wants to Go

Beirut's thinnest building was the result of feuding brothers.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

An infamous former prison is now a biodiverse national park.

A huge, bustling local market in Panama City.

An impressive century-old, to-scale topographical map of Guatemala.

Natural saunas fed by volcanic heat.

For this chef, an active volcano is his oven.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

The secret centuries-old German cemetery in the heart of the Vatican.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

The curious underground history of keeping Paris clean.

The world's largest drain sits below the city of Kasukabe, Japan.

An abandoned saucer-shaped monument in the Bulgarian mountains.

A unique tribute to the millions of animals who served and died for the British military.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The secret wartime bunker built on the platforms of an abandoned Tube station.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

A Roman spa buried deep beneath the City of London.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.