The longest hedge maze in the world.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

This extraordinary geological oddity resembles human-made pavement.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

Monasteries on rock pillars, once accessible only by frayed ropes.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The rusting hulk of a hand-powered, nearly 160-year-old submarine abandoned in 1869 due to the ravages of decompression sickness.

Nature is leading a successful mutiny on this century-old freighter.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

The world's largest ship graveyard is the product of decades of corruption.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Housing the groundbreaking maps and globes of Gerard Mercator.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.

Cozy basement bar sports an inventory of over 2,000 beers.