The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This spot along the 23.5 degree north parallel marks the northern boundary of the tropics.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Rippling sand dunes frozen in the Arizona rock.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Semi-recognized center of the world, with many oddities.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Crop circles inspired this whimsical garden in Germany.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

One man's lifelong collection of 10,000 rare steins tells the story of beer drinking from 1350 to today.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

A railway bridge leading nowhere stands lonely in the middle of a meadow.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

A golden egg-shaped sauna in the Arctic tundra.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

The romantic botanic tunnel feels like a well-kept secret.