One of the first monuments dedicated to the accomplishments of the great Vice Admiral, Horatio Nelson.

The last manually operated turntable ferry in the world.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

A historic neighborhood church is reborn as a psychedelic arts collective.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

A tunnel with windows, so you don't miss out on the impressive views.

A nostalgic bibliographic gem.

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

Parking garage where Bob Woodward met Watergate source "Deep Throat."

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

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

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.