Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

Largest lake in Great Britain measured by surface area.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

This stately bank building hides a spectacular star-studded ceiling.

The most loyal of little dogs, or a Victorian era publicity stunt?

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

Playable, historic pinball machines fill this Alameda museum.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Don't blink or you'll miss it.

This comprehensive collection features Native American artifacts dating back centuries.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.