Places pjhpeeters Wants to Go

An open-air sewer system that was covered piece-by-piece over 300 years.

The secret medieval communication system will whisk your words above the noise of the crowd.

This abandoned IDGZ station was one of 49 troposcatter stations in the NATO ACE High network.

The haunting remains of a World War I fort perched atop a mountain.

This decaying complex from the early 1900s was once the site of massive iron and fluorite mines.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

Vast network of air raid tunnels beneath Lombardy's capital.

Saint Borromeo often prayed in this austere crypt during the 16th century.

This castle has links to Portugal’s founding and struggles for independence.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

Picturesque intersection of witchcraft and ancient Christianity.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

Once a thriving textile powerhouse, now a relic of what once was.

A small but charming botanical garden that contains many exotic plant species.

Rabanadas, the Portuguese answer to French toast, are reborn here with a glassy sugar crust and a center as light as whipped cream.

Building owners can take out tiles for free at this repository for historic building materials.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Israel's first dedicated natural history museum is home to 5 million specimens and still growing.

Hidden beneath a washing machine in a fake kibbutz, this secret bullet factory has been preserved as a museum.

The abandoned shell of what would have been the Jordanian royal family's summer palace.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

This amazing ancient cave was kept secret for seven years to protect it from the public.

You can row a boat through this ancient underground reservoir.

Walk through Czech history in Prague's largest graveyard.