Places Megan Johnson Wants to Go

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

If they push on just the right spot, even the weakest person can move this titanic boulder.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

The world's largest reflecting pool is just two centimeters deep.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

An icy lake tucked among jaw-dropping alpine panoramas.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

Sleep in a climate-controlled plastic bubble for the night.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

A subterranean shelter remains intact under a busy Paris railway station.

Two small chapels housed inside an ancient tree.

How did a French journalist’s grave become the sexiest statue in the cemetery?

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

This Parisian fountain is a little bit fantasy and a little bit nightclub.