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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The commemorative stone column conceals a secret laboratory.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Rebuilt remains of a temple to Roman god Mithras.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

This black church sits alone among a field of lava rock.

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Walk in the footsteps of the gods and straddle two tectonic plates.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created with the discharge from a geothermal energy plant.

Three columns of volcanic rock shoot out of the ocean.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.