Read a book next to a Midtown waterfall.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Hear the quietest sound from across the dome.

Elevated freight railway turned wildly successful urban park.

A museum dedicated to the alleged Roswell Incident.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A giant Troll lurks under one of Seattle's oldest bridges.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Famously misunderstood wonder of the ancient world

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The taxidermied remains of a once-great parrot.

Dictionary Johnson’s favorite feline.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Walk through a fairytale in Tuscany.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.