At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

When this 160-year-old church was being built, a stonemason included a hidden homage to his late daughter.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Portlandia is the second-largest copper repoussé statue in the United States.

The ancient latrines of the Greeks, in all their public glory.

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.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

A section of the long chain that blocked enemy ships from entering Constantinople.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

Quite possibly the oldest love poem known to humankind.

A marvel of Byzantine engineering under the streets of Istanbul.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Macabre astrological automaton clock dating to the late 1400s.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

The modern birthplace of Irish freedom.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

A museum, art project, and institution that demands we look at the world around us in a strange new way.

A modern day curiosity cabinet.