A public art piece that barely gets recognized, but then that might be the point.

These sculptures of various animals adorn the building that houses one of the capital's least known museums.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Another entry into the world of Edinburgh's pop-up artworks.

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

Tiny communists hammer away on the Olomouc Astronomical Clock.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Dishes are packed with flavor at one of the only Singaporean restaurants in Paris.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

A multiversal transit station located right below a highway interchange.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

This series of Scottish caves has no clear purpose other than baffling historians.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.