Places NicholasManila Wants to Go

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

These otherworldly caverns form Earth's oldest known cave system.

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

The massive white mound and accompanying water terraces are a striking geological oddity.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Bizarre Cavern.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

A house carved into a rock in the 1940s.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

This museum houses an imposing skeleton army comprised of creatures great and small.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This massive library holds what was once the largest book collection in the world.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.