Places rog18 Wants to Go

An ancient iron pillar in Delhi that seems to be rustproof.

Light still pours into the ruins of this ancient Islamic observatory.

The world's second-largest sundial, made entirely out of stone.

Native Americans built this circle of stones, which was used to predict astronomical events.

This ancient Chinese observatory still contains early astronomy technology.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

This abandoned fishing settlement may well be the greenest village in the world.

A Buddhist temple to honor insects that died for science.

The winter home of millions of migrating monarch butterflies.

This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

Tubing through a cave lit with glowworms is a magical underground experience.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The largest source of fossilized insects anywhere.

Specimens collected by the author of "Lolita" and self-taught lepidopterist are exhibited in his childhood home.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

Mongolian Buddhists believe this monastery in the Gobi desert to be the center of the world's spiritual energy.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

Colorful and chaotic stacked hotel in North Holland.

An idyllic hotel that gave its name to a supposed shadow government.