Remnants of a storybook amusement park hidden behind a strip mall.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The oldest museum in Borneo is a cornucopia of rare taxidermy and human skulls.

A marvel of Byzantine engineering under the streets of Istanbul.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Home of the International Space Hall of Fame.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Hear the quietest sound from across the dome.

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

This giant trout was made by a singular fisherman who wanted to honor his local trade.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Go deep down into the earth to experience the world of Welsh coal miners.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

This precariously balanced boulder is said to be a hunk of stolen butter dropped by the gods.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.