The charmingly disheveled clock tower of Tbilisi's puppet theater.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

Occult books, tarot, oddities.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

A bizarre house filled with an astounding array of collections.

The arboretum whose marshy soil sucked up the dreams of housing developers.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Hub of Scandinavian culture in a Minneapolis deli.

These curious caverns have been home to mushrooms, gangsters, and disco.

A museum within a museum, devoted to history's most questionable medical devices.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The largest island on the great salt lake is home to curious creatures and strange stories.

A 550-square-meter micro-nation off the coast of Britain.

A unique collection of gilded age mechanical pianos.

Walk in the footsteps of the gods and straddle two tectonic plates.

Rising from the sea like a stone monster.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

The only road through the heart of Glacier National Park.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.