Places hymeneinstein Wants to Go

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

A science teacher's dream.

In this century-old literary safehouse, print is alive and well.

The glowing blue Nymphaeum of Emperor Tiberius.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.

The anatomical-pathological collection of a man who changed surgery.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The largest drain hole in the world.

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

A castle built by an eccentric medieval enthusiast in suburban Ohio.

A modern day curiosity cabinet.

A popular swimming hole that hides one of America's most deadly diving spots.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

An abandoned relic of the city's failed experiment with below ground transit.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

Abandoned bridge hidden deep in the San Gabriel Mountains.

A wall of chewing gum moonlights as collective art.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

Walk in the footsteps of the gods and straddle two tectonic plates.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.