400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

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

This kitschy tavern is also home to rare early editions of "Treasure Island."

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A modest walled graveyard where nobody is actually buried.

Georgia's first brewery is also one of its oldest surviving buildings.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

This one-of-a-kind convent boasts a kaleidoscopic exterior of stars and double-headed eagles.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This hat-shaped fountain pays tribute to a centuries-old textile tradition in the Yucatán Peninsula.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

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

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

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

An homage to everyone's favorite prehistoric cartoon family.

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

Its sunny hues are believed to have inspired the town's color palette.

Half-hidden by grassy slopes, this striking Spanish colonial fort is now a museum of underwater archaeology.