Modest by day, illuminated majestically at sunset.

A blooming house of worship for the masses.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Hear the quietest sound from across the dome.

A cluttered and astounding collection of antiquities and curiosities.

An unusual round church in London with a Templar past.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Beneath the city of Lourdes, France is a massive, concrete church.

The Sun King's military models, saved from the Louvre.

The celebrated eyesore created by starry-eyed sweethearts.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

An Irish Memorial commemorating those who perished due to potato blight.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Century-old shop, specializing in Occult products.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created with the discharge from a geothermal energy plant.