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

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

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

This statue intended for children to enjoy became a minor political spat.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

A multiversal transit station located right below a highway interchange.

The oldest residential street in Europe also features an optical illusion.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The first lookout in Yosemite.

The seat of the Mantua bishop holds many secrets within its walls.

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

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

These abandoned waterworks are crumbling into the Potomac River.

This Victorian marvel of engineering and artistic prowess is nicknamed the "Cathedral of Steam."

This 12-seat movie theater is the smallest in the world.

Floor-to-ceiling frescoes by local art students cover the interior of a nearly 200-year-old church.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This local emblem is the oldest and largest dragon tree in the Canary Islands.