Mysterious library of an infamous financier and spiritual seeker.

A natural sandstone bridge hidden in the Sewanee forest.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

A white oak with property rights.

A slanted tomb honors the faithful, furry companion of the Georgia Tech student body.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

A museum marks and documents the site of the Titanic's launch.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This historic pub is a hidden gem for fans of Lewis Carroll.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

Used as an example in one of the first dictionary entries for "museum" in 1706.

The final resting place of soldiers' loyal canine companions.