This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

This woodland architectural installation acts as a camera obscura for the heavens.

These eerie outliers of the lightning bug family glow a mysterious blue color.

Its buzzing collection honors vibrator history.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Eighteen miniature death-scene dioramas.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

Shop selling 500 flavors of soda has something for everyone.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Try not to get slimed in Tribeca.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The tiny, studious rodents greet visitors to the National Archives of Finland.

The Boston square dedicated to the dark poet who was born nearby.

The trials and tribulations of marking Poe's grave.

The famous author's cottage hideaway.

A former fortified tower now houses a collection of classic communications equipment.

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

Certain traditions prevail on the least-visited island of the Aran Islands.

Just another ancient, mysterious Irish stone circle.

This natural sea arch highlights Ireland's rugged coastal beauty.