A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

Hundreds of toothbrushes hang from a wire fence along a quiet New Zealand road.

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

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.

Stone slabs along the coast warn of Japan's tsunami-ravaged past, often marking the highest point of a wave's reach.

The wing of this deserted Boeing 737 almost touches the Dunkin' Donuts next door.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The darkest building on Earth was built for the snow-white scenery of the 2018 Winter Olympics.

A mummified Spanish monk found in the walls of an Ecuadorian church, alongside a mummified mouse.

The world’s largest Masonic temple was saved by the White Stripes.

A tiny museum in Esperance, Australia, displays a bunch of space debris from NASA’s Skylab.

Extraordinary rock formations in open Peruvian fields.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The large collection of pre-Columbian pottery might make you blush.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

These delicate ruins need more tourists to keep them from fading away.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

A colorful Peruvian city of the dead.