Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

Fortified medieval tower house with lovely roof garden.

This unique collection collects pieces of art etched into thin pieces of stone.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

This wonky bit of historical taxidermy is experiencing a second life online.

While most books are made of wood, these wooden books are truly made of, and all about wood.

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.

Pre-Incan aqueduct amidst a stone forest in Peru.

This ratty natural history collection is a charming relic among a city rushing into modernity.

A museum showcasing the history of sugarcane with a rich history.

A typical crusty old museum this isn't.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

This huge stew pot is the focal point of the "Community Soup" event, which honors tradition and soup.

A tiny plaque hidden miles into the Washington wilderness is all that remains to honor a shipwreck that left 18 people dead.

A part of the world's largest marsh seems to be growing bright red Martian grass.