This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

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

The famous author's cottage hideaway.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Final resting place of one of the classic authors of horror literature.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

The United States Capitol's former columns still stand.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Behemoth, cannon-like telescope operated by generations of Irish earls.

Old Tudor home moved on thick iron rails to a new spot.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

A fantastic castle rumored to be the birthplace of King Arthur.

A moving memorial to the fallen and missing from WWI trenches.

A curious collection of mechanical moving figures.

A taxus-tree to which Julius Caesar reputedly tied his horse.

Obelisks and stone pineapples in the Irish countryside.

A stone wall that mysteriously moved three feet from its foundation.

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

Fascinating town where normal life interfaces with the occult.