One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A luxuriant botanical garden below sea level.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Limestone caves with spectacular showcase chambers.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The pockmarks across the building's facade are remnants of the Blitz.

The final resting place to 300 Victorian-era pets hides inside the city park.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A little slice of Japan and its aesthetics in London's Holland Park.

London's smallest police station is barely the size of a phone booth.

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

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

The final resting place of a German diplomat's beloved companion.

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

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

A recently restored Shoreditch landmark with ties to Jack the Ripper.

Tucked inside a South Bank bar is an epic expressionist chronicle of the 20th century.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.