This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

One of the few surviving street funiculars in the world.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

This whimsical, unique clock has been entertaining shoppers for well over 20 years.

Human-made caves excavated to hide a secret society of wealthy pagans.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

One of three sites in England that house the National Collection of Arms and Armour.

The bizarre headgear looks like it was made for a fool, not a king.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.

The largest greenhouse in the world is home to over one million types of plants.

A gigantic mechanical bull rages over unsuspecting passengers at Birmingham’s central station.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

The fictional birthplace of the Chief Engineer aboard the Starship Enterprise.

This early version of the guillotine was used to execute the man responsible for its construction.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A British plaque explains that a house was built using the spoils of the first international golf bet.

Europe's first floating restaurant is home to a hilarious legend.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

A historic observatory precariously perched at the "Top of Europe."